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Subject[PATCH 23/30] v4l:vxd-dec:Decoder Component
Date
From: Sidraya <sidraya.bj@pathpartnertech.com>

Decoder component is responsible for managing decoder state machine
and resource allocation, firmware message preparation and
firmware response processing

Signed-off-by: Sunita Nadampalli <sunitan@ti.com>
Signed-off-by: Sidraya <sidraya.bj@pathpartnertech.com>
---
MAINTAINERS | 2 +
drivers/staging/media/vxd/decoder/decoder.c | 4622 +++++++++++++++++++
drivers/staging/media/vxd/decoder/decoder.h | 375 ++
3 files changed, 4999 insertions(+)
create mode 100644 drivers/staging/media/vxd/decoder/decoder.c
create mode 100644 drivers/staging/media/vxd/decoder/decoder.h

diff --git a/MAINTAINERS b/MAINTAINERS
index fa5c69d71c3e..7c7c008efd97 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19573,6 +19573,8 @@ F: drivers/staging/media/vxd/decoder/core.c
F: drivers/staging/media/vxd/decoder/core.h
F: drivers/staging/media/vxd/decoder/dec_resources.c
F: drivers/staging/media/vxd/decoder/dec_resources.h
+F: drivers/staging/media/vxd/decoder/decoder.c
+F: drivers/staging/media/vxd/decoder/decoder.h
F: drivers/staging/media/vxd/decoder/fw_interface.h
F: drivers/staging/media/vxd/decoder/h264_idx.h
F: drivers/staging/media/vxd/decoder/h264_secure_parser.c
diff --git a/drivers/staging/media/vxd/decoder/decoder.c b/drivers/staging/media/vxd/decoder/decoder.c
new file mode 100644
index 000000000000..f695cf9c4433
--- /dev/null
+++ b/drivers/staging/media/vxd/decoder/decoder.c
@@ -0,0 +1,4622 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * VXD Decoder Component function implementations
+ *
+ * Copyright (c) Imagination Technologies Ltd.
+ * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Authors:
+ * Sunita Nadampalli <sunitan@ti.com>
+ *
+ * Re-written for upstream
+ * Sidraya Jayagond <sidraya.bj@pathpartnertech.com>
+ * Prashanth Kumar Amai <prashanth.ka@pathpartnertech.com>
+ */
+
+#include "decoder.h"
+#include "dec_resources.h"
+#include "dq.h"
+#include "hw_control.h"
+#include "h264fw_data.h"
+#include "idgen_api.h"
+#include "img_errors.h"
+#ifdef HAS_JPEG
+#include "jpegfw_data.h"
+#endif
+#include "lst.h"
+#include "pool_api.h"
+#include "resource.h"
+#include "translation_api.h"
+#include "vdecdd_utils.h"
+#include "vdec_mmu_wrapper.h"
+#include "vxd_dec.h"
+
+#define CORE_NUM_DECODE_SLOTS 2
+
+#define MAX_PLATFORM_SUPPORTED_HEIGHT 65536
+#define MAX_PLATFORM_SUPPORTED_WIDTH 65536
+
+#define MAX_CONCURRENT_STREAMS 16
+
+/* Maximum number of unique picture ids within stream. */
+#define DECODER_MAX_PICT_ID GET_STREAM_PICTURE_ID(((1ULL << 32) - 1ULL))
+
+/* Maximum number of concurrent pictures within stream. */
+#define DECODER_MAX_CONCURRENT_PICT 0x100
+
+static inline unsigned int get_next_picture_id(unsigned int cur_pict_id)
+{
+ return(cur_pict_id == FWIF_BIT_MASK(FWIF_NUMBITS_STREAM_PICTURE_ID) ?
+ 1 : cur_pict_id + 1);
+}
+
+static inline unsigned int get_prev_picture_id(unsigned int cur_pict_id)
+{
+ return(cur_pict_id == 1 ?
+ FWIF_BIT_MASK(FWIF_NUMBITS_STREAM_PICTURE_ID) :
+ cur_pict_id - 1);
+}
+
+#define H264_SGM_BUFFER_BYTES_PER_MB 1
+#define H264_SGM_MAX_MBS 3600
+
+#define CONTEXT_BUFF_SIZE (72)
+
+/*
+ * Number of bits in transaction ID used to represent
+ * picture number in stream.
+ */
+#define FWIF_NUMBITS_STREAM_PICTURE_ID 16
+/*
+ * Number of bits in transaction ID used to represent
+ * picture number in core.
+ */
+#define FWIF_NUMBITS_CORE_PICTURE_ID 4
+/*
+ * Number of bits in transaction ID used to represent
+ * stream id.
+ */
+#define FWIF_NUMBITS_STREAM_ID 8
+/* Number of bits in transaction ID used to represent core id. */
+#define FWIF_NUMBITS_CORE_ID 4
+
+/* Offset in transaction ID to picture number in stream. */
+#define FWIF_OFFSET_STREAM_PICTURE_ID 0
+/* Offset in transaction ID to picture number in core. */
+#define FWIF_OFFSET_CORE_PICTURE_ID (FWIF_OFFSET_STREAM_PICTURE_ID + \
+ FWIF_NUMBITS_STREAM_PICTURE_ID)
+/* Offset in transaction ID to stream id. */
+#define FWIF_OFFSET_STREAM_ID (FWIF_OFFSET_CORE_PICTURE_ID + \
+ FWIF_NUMBITS_CORE_PICTURE_ID)
+/* Offset in transaction ID to core id. */
+#define FWIF_OFFSET_CORE_ID (FWIF_OFFSET_STREAM_ID + \
+ FWIF_NUMBITS_STREAM_ID)
+
+/* Maximum number of unique picture ids within stream. */
+#define DECODER_MAX_PICT_ID GET_STREAM_PICTURE_ID(((1ULL << 32) - 1ULL))
+
+/* Maximum number of concurrent pictures within stream. */
+#define DECODER_MAX_CONCURRENT_PICT 0x100
+
+#define CREATE_TRANSACTION_ID(core_id, stream_id, core_pic, stream_pic) \
+ (SET_CORE_ID((core_id)) | SET_STREAM_ID((stream_id)) | \
+ SET_CORE_PICTURE_ID((core_pic)) | SET_STREAM_PICTURE_ID((stream_pic)))
+
+static inline struct dec_core_ctx *decoder_str_ctx_to_core_ctx(struct dec_str_ctx *decstrctx)
+{
+ if (decstrctx && decstrctx->decctx)
+ return decstrctx->decctx->dec_core_ctx;
+
+ else
+ return NULL;
+}
+
+static const struct vdecdd_dd_devconfig def_dev_cfg = {
+ CORE_NUM_DECODE_SLOTS, /* ui32NumSlotsPerPipe; */
+};
+
+/*
+ * This array defines names of the VDEC standards.
+ * Shall be in sync with #VDEC_eVidStd
+ * @brief Names of the VDEC standards
+ */
+static unsigned char *vid_std_names[] = {
+ "VDEC_STD_UNDEFINED",
+ "VDEC_STD_MPEG2",
+ "VDEC_STD_MPEG4",
+ "VDEC_STD_H263",
+ "VDEC_STD_H264",
+ "VDEC_STD_VC1",
+ "VDEC_STD_AVS",
+ "VDEC_STD_REAL",
+ "VDEC_STD_JPEG",
+ "VDEC_STD_VP6",
+ "VDEC_STD_VP8",
+ "VDEC_STD_SORENSON",
+ "VDEC_STD_HEVC"
+};
+
+#ifdef ERROR_RECOVERY_SIMULATION
+extern int fw_error_value;
+#endif
+
+/*
+ * @Function decoder_set_device_config
+ */
+static int decoder_set_device_config(const struct vdecdd_dd_devconfig **dd_dev_config)
+{
+ struct vdecdd_dd_devconfig *local_dev_cfg;
+
+ VDEC_ASSERT(dd_dev_config);
+
+ /* Allocate device configuration structure */
+ local_dev_cfg = kzalloc(sizeof(*local_dev_cfg), GFP_KERNEL);
+ VDEC_ASSERT(local_dev_cfg);
+ if (!local_dev_cfg)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ /* Set the default device configuration */
+ *local_dev_cfg = def_dev_cfg;
+
+ *dd_dev_config = local_dev_cfg;
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_set_feature_flags
+ * @Description
+ * This function sets the features flags from the core properties.
+ * @Input p : Pointer to core properties.
+ * @Input core_feat_flags : Pointer to core feature flags word.
+ */
+static void decoder_set_feature_flags(struct vxd_coreprops *core_props,
+ unsigned int *core_feat_flags,
+ unsigned int *pipe_feat_flags)
+{
+ unsigned char pipe_minus_one;
+
+ VDEC_ASSERT(core_props);
+ VDEC_ASSERT(core_feat_flags);
+ VDEC_ASSERT(pipe_feat_flags);
+
+ for (pipe_minus_one = 0; pipe_minus_one < core_props->num_pixel_pipes;
+ pipe_minus_one++) {
+ *core_feat_flags |= pipe_feat_flags[pipe_minus_one] |=
+ core_props->h264[pipe_minus_one] ?
+ VDECDD_COREFEATURE_H264 : 0;
+#ifdef HAS_JPEG
+ *core_feat_flags |= pipe_feat_flags[pipe_minus_one] |=
+ core_props->jpeg[pipe_minus_one] ?
+ VDECDD_COREFEATURE_JPEG : 0;
+#endif
+#ifdef HAS_HEVC
+ *core_feat_flags |= pipe_feat_flags[pipe_minus_one] |=
+ core_props->hevc[pipe_minus_one] ?
+ VDECDD_COREFEATURE_HEVC : 0;
+#endif
+ }
+}
+
+/*
+ * @Function decoder_stream_get_context
+ * @Description
+ * This function returns the stream context structure for the given
+ * stream handle.
+ * @Return struct dec_str_ctx : This function returns a pointer
+ * to the stream
+ * context structure or NULL if not found.
+ */
+static struct dec_str_ctx *decoder_stream_get_context(void *dec_str_context)
+{
+ return (struct dec_str_ctx *)dec_str_context;
+}
+
+/*
+ * @Function decoder_core_enumerate
+ * @Description
+ * This function enumerates a decoder core and returns its handle.
+ * Usage: before calls to other DECODE_Core or DECODE_Stream functions.
+ * @Input dec_context : Pointer to Decoder context.
+ * @Input dev_cfg : Device configuration.
+ * @Return This function returns either IMG_SUCCESS or an
+ * error code.
+ */
+static int decoder_core_enumerate(struct dec_ctx *dec_context,
+ const struct vdecdd_dd_devconfig *dev_cfg,
+ unsigned int *num_pipes)
+{
+ struct dec_core_ctx *dec_core_ctx_local;
+ unsigned int ret;
+ unsigned int ptd_align = DEV_MMU_PAGE_ALIGNMENT;
+
+ /* Create the core. */
+ dec_core_ctx_local = kzalloc(sizeof(*dec_core_ctx_local), GFP_KERNEL);
+ if (!dec_core_ctx_local)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ dec_core_ctx_local->dec_ctx = (struct dec_ctx *)dec_context;
+
+ /* Initialise the hwctrl block here */
+ ret = hwctrl_initialise(dec_core_ctx_local, dec_context->user_data,
+ dev_cfg, &dec_core_ctx_local->core_props,
+ &dec_core_ctx_local->hw_ctx);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ decoder_set_feature_flags(&dec_core_ctx_local->core_props,
+ &dec_core_ctx_local->core_features,
+ dec_core_ctx_local->pipe_features);
+
+ /* Perform device setup for master core. */
+ if (num_pipes)
+ *num_pipes = dec_core_ctx_local->core_props.num_pixel_pipes;
+
+ /* DEVA PVDEC FW requires PTD to be 64k aligned. */
+ ptd_align = 0x10000;
+
+ /* Create a device MMU context. */
+ ret = mmu_device_create(dec_core_ctx_local->core_props.mmu_type,
+ ptd_align, &dec_context->mmu_dev_handle);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ dec_core_ctx_local->enumerated = TRUE;
+
+ dec_context->dec_core_ctx = dec_core_ctx_local;
+
+ return IMG_SUCCESS;
+
+error:
+ if (dec_core_ctx_local) {
+ unsigned int deinit_result = IMG_SUCCESS;
+
+ /* Destroy a device MMU context. */
+ if (dec_context->mmu_dev_handle) {
+ deinit_result =
+ mmu_device_destroy(dec_context->mmu_dev_handle);
+ VDEC_ASSERT(deinit_result == IMG_SUCCESS);
+ if (deinit_result != IMG_SUCCESS)
+ pr_warn("MMU_DeviceDestroy() failed to tidy-up after error");
+ }
+
+ kfree(dec_core_ctx_local);
+ dec_core_ctx_local = NULL;
+ }
+
+ return ret;
+}
+
+/*
+ * @Function decoder_initialise
+ */
+int decoder_initialise(void *user_init_data, unsigned int int_heap_id,
+ struct vdecdd_dd_devconfig *dd_device_config,
+ unsigned int *num_pipes,
+ void **dec_ctx_handle)
+{
+ struct dec_ctx *dec_context = (struct dec_ctx *)*dec_ctx_handle;
+ int ret;
+
+ if (!dec_context) {
+ dec_context = kzalloc(sizeof(*dec_context), GFP_KERNEL);
+ VDEC_ASSERT(dec_context);
+ if (!dec_context)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ *dec_ctx_handle = dec_context;
+ }
+
+ /* Determine which standards are supported. */
+ memset(&dec_context->sup_stds, 0x0, sizeof(dec_context->sup_stds[VDEC_STD_MAX]));
+
+ dec_context->sup_stds[VDEC_STD_H264] = TRUE;
+#ifdef HAS_HEVC
+ dec_context->sup_stds[VDEC_STD_HEVC] = TRUE;
+#endif
+ if (!dec_context->inited) {
+ /* Check and store input parameters. */
+ dec_context->user_data = user_init_data;
+ dec_context->dev_handle =
+ ((struct vdecdd_dddev_context *)user_init_data)->dev_handle;
+
+ /* Initialise the context lists. */
+ lst_init(&dec_context->str_list);
+
+ /* Make sure POOL API is initialised */
+ ret = pool_init();
+ if (ret != IMG_SUCCESS)
+ goto pool_init_error;
+
+ ret = decoder_set_device_config(&dec_context->dev_cfg);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ dec_context->internal_heap_id = int_heap_id;
+
+ /* Enumerate the master core. */
+ ret = decoder_core_enumerate(dec_context, dec_context->dev_cfg,
+ &dec_context->num_pipes);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ if (dd_device_config)
+ *dd_device_config = *dec_context->dev_cfg;
+
+ if (num_pipes)
+ *num_pipes = dec_context->num_pipes;
+
+ dec_context->inited = TRUE;
+ }
+
+ return IMG_SUCCESS;
+
+error:
+ pool_deinit();
+
+pool_init_error:
+ if (dec_context->dev_cfg) {
+ kfree((void *)dec_context->dev_cfg);
+ dec_context->dev_cfg = NULL;
+ }
+
+ kfree(*dec_ctx_handle);
+ *dec_ctx_handle = NULL;
+
+ return ret;
+}
+
+/*
+ * @Function decoder_supported_features
+ */
+int decoder_supported_features(void *dec_ctx, struct vdec_features *features)
+{
+ struct dec_ctx *dec_context = (struct dec_ctx *)dec_ctx;
+ struct dec_core_ctx *dec_core_ctx_local;
+
+ /* Check input parameters. */
+ VDEC_ASSERT(dec_context);
+ VDEC_ASSERT(features);
+ if (!dec_context || !features) {
+ pr_err("Invalid parameters!");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ /* Ensure that Decoder component is initialised. */
+ VDEC_ASSERT(dec_context->inited);
+
+ /* Loop over all cores checking for support. */
+ dec_core_ctx_local = dec_context->dec_core_ctx;
+ VDEC_ASSERT(dec_core_ctx_local);
+
+ /*
+ * Determine whether the required core attribute
+ * is present to support requested feature
+ */
+ features->h264 |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_H264) ? TRUE : FALSE;
+ features->mpeg2 |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_MPEG2) ? TRUE : FALSE;
+ features->mpeg4 |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_MPEG4) ? TRUE : FALSE;
+ features->vc1 |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_VC1) ? TRUE : FALSE;
+ features->avs |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_AVS) ? TRUE : FALSE;
+ features->real |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_REAL) ? TRUE : FALSE;
+ features->jpeg |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_JPEG) ? TRUE : FALSE;
+ features->vp6 |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_VP6) ? TRUE : FALSE;
+ features->vp8 |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_VP8) ? TRUE : FALSE;
+ features->hd |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_HD_DECODE) ? TRUE : FALSE;
+ features->rotation |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_ROTATION) ? TRUE : FALSE;
+ features->scaling |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_SCALING) ? TRUE : FALSE;
+ features->hevc |= (dec_core_ctx_local->core_features &
+ VDECDD_COREFEATURE_HEVC) ? TRUE : FALSE;
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_stream_get_status
+ */
+int decoder_stream_get_status(void *dec_str_ctx_handle,
+ struct vdecdd_decstr_status *dec_str_st)
+{
+ struct dec_str_ctx *dec_str_ctx;
+ struct dec_decoded_pict *decoded_pict;
+ struct dec_core_ctx *dec_core_ctx;
+ unsigned int item;
+
+ VDEC_ASSERT(dec_str_st);
+ if (!dec_str_st) {
+ pr_err("Invalid decoder streams status pointer!");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ dec_str_ctx = decoder_stream_get_context(dec_str_ctx_handle);
+ VDEC_ASSERT(dec_str_ctx);
+ if (!dec_str_ctx) {
+ pr_err("Invalid decoder stream context handle!");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ /* Obtain the state of each core. */
+ dec_core_ctx = decoder_str_ctx_to_core_ctx(dec_str_ctx);
+ VDEC_ASSERT(dec_core_ctx);
+
+ /*
+ * Obtain the display and release list of first unprocessed
+ * picture in decoded list
+ */
+ dec_str_ctx->dec_str_st.display_pics = 0;
+ dec_str_ctx->dec_str_st.release_pics = 0;
+ decoded_pict = dq_first(&dec_str_ctx->str_decd_pict_list);
+ while (decoded_pict) {
+ /* if this is the first unprocessed picture */
+ if (!decoded_pict->processed) {
+ unsigned int idx;
+ struct vdecfw_buffer_control *buf_ctrl;
+
+ VDEC_ASSERT(decoded_pict->pict_ref_res);
+ buf_ctrl =
+ (struct vdecfw_buffer_control *)decoded_pict->pict_ref_res->fw_ctrlbuf.cpu_virt;
+ VDEC_ASSERT(buf_ctrl);
+
+ /* Get display pictures */
+ idx = decoded_pict->disp_idx;
+ item = dec_str_ctx->dec_str_st.display_pics;
+ while (idx < buf_ctrl->display_list_length &&
+ item < VDECFW_MAX_NUM_PICTURES) {
+ dec_str_ctx->dec_str_st.next_display_items[item] =
+ buf_ctrl->display_list[idx];
+ dec_str_ctx->dec_str_st.next_display_item_parent[item] =
+ decoded_pict->transaction_id;
+ idx++;
+ item++;
+ }
+ dec_str_ctx->dec_str_st.display_pics = item;
+
+ /* Get release pictures */
+ idx = decoded_pict->rel_idx;
+ item = dec_str_ctx->dec_str_st.release_pics;
+ while (idx < buf_ctrl->release_list_length &&
+ item < VDECFW_MAX_NUM_PICTURES) {
+ dec_str_ctx->dec_str_st.next_release_items[item] =
+ buf_ctrl->release_list[idx];
+ dec_str_ctx->dec_str_st.next_release_item_parent[item] =
+ decoded_pict->transaction_id;
+ idx++;
+ item++;
+ }
+ dec_str_ctx->dec_str_st.release_pics = item;
+ break;
+ }
+
+ if (decoded_pict != dq_last(&dec_str_ctx->str_decd_pict_list))
+ decoded_pict = dq_next(decoded_pict);
+ else
+ decoded_pict = NULL;
+ }
+
+ /* Get list of held decoded pictures */
+ item = 0;
+ decoded_pict = dq_first(&dec_str_ctx->str_decd_pict_list);
+ while (decoded_pict) {
+ dec_str_ctx->dec_str_st.decoded_picts[item] =
+ decoded_pict->transaction_id;
+ item++;
+
+ if (decoded_pict != dq_last(&dec_str_ctx->str_decd_pict_list))
+ decoded_pict = dq_next(decoded_pict);
+ else
+ decoded_pict = NULL;
+ }
+
+ VDEC_ASSERT(item == dec_str_ctx->dec_str_st.num_pict_decoded);
+ *dec_str_st = dec_str_ctx->dec_str_st;
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_deinitialise
+ */
+int decoder_deinitialise(void *dec_ctx)
+{
+ struct dec_ctx *dec_context = (struct dec_ctx *)dec_ctx;
+ int ret;
+ /* Remove and free all core context structures */
+ struct dec_decpict *dec_pict;
+
+ if (dec_context && dec_context->inited) {
+ struct dec_core_ctx *dec_core_ctx_local =
+ dec_context->dec_core_ctx;
+
+ if (!dec_core_ctx_local) {
+ pr_warn("%s %d NULL Decoder context passed", __func__, __LINE__);
+ VDEC_ASSERT(0);
+ return -EFAULT;
+ }
+
+ /* Stream list should be empty. */
+ if (!lst_empty(&dec_context->str_list))
+ pr_warn("%s %d stream list should be empty", __func__, __LINE__);
+
+ /*
+ * All cores should now be idle since there are no
+ * connections/streams.
+ */
+ ret = hwctrl_peekheadpiclist(dec_core_ctx_local->hw_ctx, &dec_pict);
+ VDEC_ASSERT(ret != IMG_SUCCESS);
+
+ /* Destroy a device MMU context. */
+ ret = mmu_device_destroy(dec_context->mmu_dev_handle);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Remove and free core context structure */
+ dec_core_ctx_local = dec_context->dec_core_ctx;
+ VDEC_ASSERT(dec_core_ctx_local);
+
+ hwctrl_deinitialise(dec_core_ctx_local->hw_ctx);
+
+ kfree(dec_core_ctx_local);
+ dec_core_ctx_local = NULL;
+
+ VDEC_ASSERT(dec_context->dev_cfg);
+ if (dec_context->dev_cfg)
+ kfree((void *)dec_context->dev_cfg);
+
+ dec_context->user_data = NULL;
+
+ pool_deinit();
+
+ dec_context->inited = FALSE;
+
+ kfree(dec_context);
+ } else {
+ pr_err("Decoder has not been initialised so cannot be de-initialised");
+ return IMG_ERROR_NOT_INITIALISED;
+ }
+
+ pr_debug("Decoder deinitialise successfully\n");
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_picture_destroy
+ * @Description
+ * Free the picture container and optionally release image buffer back to
+ * client.
+ * Default is to decrement the reference count held by this picture.
+ */
+static int decoder_picture_destroy(struct dec_str_ctx *dec_str_ctx,
+ unsigned int pict_id,
+ unsigned char release_image)
+{
+ struct vdecdd_picture *picture;
+ int ret;
+
+ VDEC_ASSERT(dec_str_ctx);
+
+ ret = idgen_gethandle(dec_str_ctx->pict_idgen, pict_id, (void **)&picture);
+ if (ret == IMG_SUCCESS) {
+ VDEC_ASSERT(picture);
+ ret = idgen_freeid(dec_str_ctx->pict_idgen, pict_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ if (picture->dec_pict_info) {
+ /* Destroy the picture */
+ kfree(picture->dec_pict_info);
+ picture->dec_pict_info = NULL;
+ }
+
+ /* Return unused picture and internal resources */
+ if (picture->disp_pict_buf.pict_buf) {
+ if (release_image)
+ resource_item_release
+ (&picture->disp_pict_buf.pict_buf->ddbuf_info.ref_count);
+ else
+ resource_item_return
+ (&picture->disp_pict_buf.pict_buf->ddbuf_info.ref_count);
+
+ memset(&picture->disp_pict_buf, 0, sizeof(picture->disp_pict_buf));
+ }
+
+ if (picture->pict_res_int) {
+ resource_item_return(&picture->pict_res_int->ref_cnt);
+ picture->pict_res_int = NULL;
+ }
+
+ kfree(picture);
+ picture = NULL;
+ } else {
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ return ret;
+ }
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_decoded_picture_destroy
+ */
+static int
+decoder_decoded_picture_destroy(struct dec_str_ctx *dec_str_ctx,
+ struct dec_decoded_pict *decoded_pict,
+ unsigned char release_image)
+{
+ int ret;
+
+ VDEC_ASSERT(dec_str_ctx);
+ VDEC_ASSERT(decoded_pict);
+
+ if (decoded_pict->pict) {
+ VDEC_ASSERT(decoded_pict->pict->pict_id ==
+ GET_STREAM_PICTURE_ID(decoded_pict->transaction_id));
+
+ ret = decoder_picture_destroy(dec_str_ctx, decoded_pict->pict->pict_id,
+ release_image);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ decoded_pict->pict = NULL;
+ }
+
+ dq_remove(decoded_pict);
+ dec_str_ctx->dec_str_st.num_pict_decoded--;
+
+ resource_item_return(&decoded_pict->pict_ref_res->ref_cnt);
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] COMPLETE",
+ GET_STREAM_ID(decoded_pict->transaction_id),
+ decoded_pict->transaction_id);
+#endif
+
+ kfree(decoded_pict->first_fld_fwmsg);
+ decoded_pict->first_fld_fwmsg = NULL;
+
+ kfree(decoded_pict->second_fld_fwmsg);
+ decoded_pict->second_fld_fwmsg = NULL;
+
+ kfree(decoded_pict);
+ decoded_pict = NULL;
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_stream_decode_resource_destroy
+ */
+static int decoder_stream_decode_resource_destroy(void *item, void *free_cb_param)
+{
+ struct dec_pictdec_res *pict_dec_res = item;
+ struct dec_str_ctx *dec_str_ctx_local =
+ (struct dec_str_ctx *)free_cb_param;
+ int ret;
+
+ VDEC_ASSERT(pict_dec_res);
+ VDEC_ASSERT(resource_item_isavailable(&pict_dec_res->ref_cnt));
+
+ /* Free memory (device-based) to store fw contexts for stream. */
+ ret = mmu_free_mem(dec_str_ctx_local->mmu_str_handle, &pict_dec_res->fw_ctx_buf);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ if (pict_dec_res->h264_sgm_buf.hndl_memory) {
+ /* Free memory (device-based) to store SGM. */
+ ret = mmu_free_mem(dec_str_ctx_local->mmu_str_handle, &pict_dec_res->h264_sgm_buf);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ kfree(pict_dec_res);
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_stream_release_buffers
+ */
+int decoder_stream_release_buffers(void *dec_str_ctx_handle)
+{
+ struct dec_str_ctx *dec_str_ctx;
+ struct dec_decoded_pict *decoded_pict;
+ int ret;
+
+ dec_str_ctx = decoder_stream_get_context(dec_str_ctx_handle);
+
+ /* Decoding queue should be empty since we are stopped */
+ VDEC_ASSERT(dec_str_ctx);
+ if (!dec_str_ctx) {
+ pr_err("Invalid decoder stream context handle!");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+ VDEC_ASSERT(lst_empty(&dec_str_ctx->pend_strunit_list));
+
+ /* Destroy all pictures in the decoded list */
+ decoded_pict = dq_first(&dec_str_ctx->str_decd_pict_list);
+ while (decoded_pict) {
+ ret = decoder_decoded_picture_destroy(dec_str_ctx, decoded_pict, TRUE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ decoded_pict = dq_first(&dec_str_ctx->str_decd_pict_list);
+ }
+
+ /* if and only if the output buffers were used for reference. */
+ if (dec_str_ctx->last_be_pict_dec_res) {
+ /*
+ * Clear the firmware context so that reference pictures
+ * are no longer referred to.
+ */
+ memset(dec_str_ctx->last_be_pict_dec_res->fw_ctx_buf.cpu_virt, 0,
+ dec_str_ctx->last_be_pict_dec_res->fw_ctx_buf.buf_size);
+ }
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_stream_reference_resource_destroy
+ */
+static int decoder_stream_reference_resource_destroy(void *item, void *free_cb_param)
+{
+ struct dec_pictref_res *pict_ref_res = item;
+ struct dec_str_ctx *dec_str_ctx_local =
+ (struct dec_str_ctx *)free_cb_param;
+ int ret;
+
+ VDEC_ASSERT(pict_ref_res);
+ VDEC_ASSERT(resource_item_isavailable(&pict_ref_res->ref_cnt));
+
+ /* Free memory (device-based) to store fw contexts for stream */
+ ret = mmu_free_mem(dec_str_ctx_local->mmu_str_handle, &pict_ref_res->fw_ctrlbuf);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ kfree(pict_ref_res);
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_stream_destroy
+ */
+int decoder_stream_destroy(void *dec_str_context, unsigned char abort)
+{
+ struct dec_str_ctx *dec_str_ctx_local;
+ struct dec_str_unit *dec_str_unit_local;
+ struct dec_decoded_pict *decoded_pict_local;
+ unsigned int i;
+ int ret;
+ unsigned int pict_id;
+ void **res_handle_local;
+
+ /* Required for getting segments from decode picture to free */
+ struct dec_decpict_seg *dec_pict_seg_local;
+ struct dec_ctx *dec_context;
+ struct dec_core_ctx *dec_core_ctx_local;
+
+ /* Get the Decoder stream context. */
+ dec_str_ctx_local = decoder_stream_get_context(dec_str_context);
+
+ VDEC_ASSERT(dec_str_ctx_local);
+ if (!dec_str_ctx_local) {
+ pr_err("Invalid decoder stream context handle!");
+ return FALSE;
+ }
+ VDEC_ASSERT(dec_str_ctx_local->decctx);
+
+ /* Decrement the stream count */
+ dec_str_ctx_local->decctx->str_cnt--;
+
+ /*
+ * Ensure that there are no pictures for this stream outstanding
+ * on any decoder cores.
+ * This should not be removed, it is important to see it if
+ * it ever happens.
+ * In practice we see it many times with Application Timeout.
+ */
+ if (!abort)
+ VDEC_ASSERT(lst_empty(&dec_str_ctx_local->pend_strunit_list));
+
+ /*
+ * At this point all resources for the stream are guaranteed to
+ * not be used and no further hardware interrupts will be received.
+ */
+
+ /* Destroy all stream units submitted for processing. */
+ dec_str_unit_local =
+ lst_removehead(&dec_str_ctx_local->pend_strunit_list);
+ while (dec_str_unit_local) {
+ /* If the unit was submitted for decoding (picture)... */
+ if (dec_str_unit_local->dec_pict) {
+ /*
+ * Explicitly remove picture from core decode queue
+ * and destroy.
+ */
+ struct dec_core_ctx *dec_core_ctx_local =
+ decoder_str_ctx_to_core_ctx(dec_str_ctx_local);
+ VDEC_ASSERT(dec_core_ctx_local);
+
+ res_handle_local = &dec_str_ctx_local->resources;
+
+ if (!dec_core_ctx_local) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+ hwctrl_removefrom_piclist(dec_core_ctx_local->hw_ctx,
+ dec_str_unit_local->dec_pict);
+
+ /* Free decoder picture */
+ kfree(dec_str_unit_local->dec_pict->first_fld_fwmsg);
+ dec_str_unit_local->dec_pict->first_fld_fwmsg = NULL;
+
+ kfree(dec_str_unit_local->dec_pict->second_fld_fwmsg);
+ dec_str_unit_local->dec_pict->second_fld_fwmsg = NULL;
+
+ dec_res_picture_detach(res_handle_local, dec_str_unit_local->dec_pict);
+
+ /* Free all the segments of the picture */
+ dec_pict_seg_local =
+ lst_removehead(&dec_str_unit_local->dec_pict->dec_pict_seg_list);
+ while (dec_pict_seg_local) {
+ if (dec_pict_seg_local->internal_seg) {
+ VDEC_ASSERT(dec_pict_seg_local->bstr_seg);
+ kfree(dec_pict_seg_local->bstr_seg);
+ dec_pict_seg_local->bstr_seg = NULL;
+ }
+
+ kfree(dec_pict_seg_local);
+ dec_pict_seg_local = NULL;
+
+ dec_pict_seg_local =
+ lst_removehead
+ (&dec_str_unit_local->dec_pict->dec_pict_seg_list);
+ }
+
+ VDEC_ASSERT(dec_str_unit_local->dec_pict->dec_str_ctx == dec_str_ctx_local);
+
+ dec_str_ctx_local->dec_str_st.num_pict_decoding--;
+ pict_id =
+ GET_STREAM_PICTURE_ID(dec_str_unit_local->dec_pict->transaction_id);
+
+ ret = decoder_picture_destroy(dec_str_ctx_local, pict_id, TRUE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ kfree(dec_str_unit_local->dec_pict);
+ dec_str_unit_local->dec_pict = NULL;
+ }
+
+ /* Free the picture container */
+ kfree(dec_str_unit_local);
+ dec_str_unit_local = NULL;
+
+ dec_str_unit_local = lst_removehead(&dec_str_ctx_local->pend_strunit_list);
+ }
+
+ /* Destroy all pictures in the decoded list */
+ decoded_pict_local = dq_first(&dec_str_ctx_local->str_decd_pict_list);
+ while (decoded_pict_local) {
+ ret = decoder_decoded_picture_destroy(dec_str_ctx_local,
+ decoded_pict_local,
+ TRUE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ decoded_pict_local = dq_first(&dec_str_ctx_local->str_decd_pict_list);
+ }
+
+ /* Ensure all picture queues are empty */
+ VDEC_ASSERT(lst_empty(&dec_str_ctx_local->pend_strunit_list));
+ VDEC_ASSERT(dq_empty(&dec_str_ctx_local->str_decd_pict_list));
+
+ /* Free memory to store stream context buffer. */
+ ret = mmu_free_mem(dec_str_ctx_local->mmu_str_handle,
+ &dec_str_ctx_local->pvdec_fw_ctx_buf);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Release any fw contexts held by stream. */
+ if (dec_str_ctx_local->prev_fe_pict_dec_res)
+ resource_item_return(&dec_str_ctx_local->prev_fe_pict_dec_res->ref_cnt);
+
+ if (dec_str_ctx_local->cur_fe_pict_dec_res)
+ resource_item_return(&dec_str_ctx_local->cur_fe_pict_dec_res->ref_cnt);
+
+ if (dec_str_ctx_local->last_be_pict_dec_res)
+ resource_item_return(&dec_str_ctx_local->last_be_pict_dec_res->ref_cnt);
+
+ /*
+ * Remove the device resources used for decoding and the two
+ * added to hold the last on front and back-end for stream.
+ */
+ for (i = 0; i < dec_str_ctx_local->num_dec_res + 2; i++) {
+ ret = resource_list_empty(&dec_str_ctx_local->dec_res_lst, FALSE,
+ decoder_stream_decode_resource_destroy,
+ dec_str_ctx_local);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+ VDEC_ASSERT(lst_empty(&dec_str_ctx_local->dec_res_lst));
+
+ /* Remove all stream decode resources. */
+ ret = resource_list_empty(&dec_str_ctx_local->ref_res_lst, FALSE,
+ decoder_stream_reference_resource_destroy,
+ dec_str_ctx_local);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ VDEC_ASSERT(lst_empty(&dec_str_ctx_local->ref_res_lst));
+
+ idgen_destroycontext(dec_str_ctx_local->pict_idgen);
+
+ dec_context = dec_str_ctx_local->decctx;
+ dec_core_ctx_local = decoder_str_ctx_to_core_ctx(dec_str_ctx_local);
+
+ VDEC_ASSERT(dec_context);
+ VDEC_ASSERT(dec_core_ctx_local);
+
+ res_handle_local = &dec_str_ctx_local->resources;
+
+ if (*res_handle_local) {
+ ret = dec_res_destroy(dec_str_ctx_local->mmu_str_handle, *res_handle_local);
+ if (ret != IMG_SUCCESS)
+ pr_warn("resourceS_Destroy() failed to tidy-up after error");
+
+ *res_handle_local = NULL;
+ }
+
+ lst_remove(&dec_str_ctx_local->decctx->str_list, dec_str_ctx_local);
+
+ kfree(dec_str_ctx_local);
+ dec_str_ctx_local = NULL;
+
+ pr_debug("%s successfully", __func__);
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_init_avail_slots
+ */
+static int decoder_init_avail_slots(struct dec_str_ctx *dec_str_context)
+{
+ VDEC_ASSERT(dec_str_context);
+
+ switch (dec_str_context->config.vid_std) {
+ case VDEC_STD_H264:
+ /*
+ * only first pipe can be master when decoding H264 in
+ * multipipe mode (FW restriction)
+ */
+ dec_str_context->avail_slots =
+ dec_str_context->decctx->dev_cfg->num_slots_per_pipe *
+ dec_str_context->decctx->num_pipes;
+ break;
+
+ default:
+ /* all pipes by default */
+ dec_str_context->avail_slots =
+ dec_str_context->decctx->dev_cfg->num_slots_per_pipe;
+ break;
+ }
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_stream_decode_resource_create
+ */
+static int decoder_stream_decode_resource_create(struct dec_str_ctx *dec_str_context)
+{
+ struct dec_pictdec_res *pict_dec_res;
+ int ret;
+ unsigned int mem_heap_id;
+ enum sys_emem_attrib mem_attribs;
+
+ unsigned char fw_ctx_buf = FALSE;
+
+ /* Validate input arguments */
+ if (!dec_str_context || !dec_str_context->decctx ||
+ !dec_str_context->decctx->dev_cfg) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+ mem_heap_id = dec_str_context->decctx->internal_heap_id;
+ mem_attribs = (enum sys_emem_attrib)(SYS_MEMATTRIB_UNCACHED | SYS_MEMATTRIB_WRITECOMBINE);
+ mem_attribs |= (enum sys_emem_attrib)SYS_MEMATTRIB_INTERNAL;
+
+ /* Allocate the firmware context buffer info structure. */
+ pict_dec_res = kzalloc(sizeof(*pict_dec_res), GFP_KERNEL);
+ VDEC_ASSERT(pict_dec_res);
+ if (!pict_dec_res)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ /*
+ * Allocate the firmware context buffer to contain
+ * data required for subsequent picture.
+ */
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("%s:%d calling MMU_StreamMalloc", __func__, __LINE__);
+#endif
+
+ ret = mmu_stream_alloc(dec_str_context->mmu_str_handle,
+ MMU_HEAP_STREAM_BUFFERS, mem_heap_id,
+ (enum sys_emem_attrib)(mem_attribs | SYS_MEMATTRIB_CPU_READ |
+ SYS_MEMATTRIB_CPU_WRITE),
+ sizeof(union dec_fw_contexts),
+ DEV_MMU_PAGE_ALIGNMENT,
+ &pict_dec_res->fw_ctx_buf);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto err_out_of_memory;
+
+ fw_ctx_buf = TRUE;
+
+ /*
+ * Clear the context data in preparation for first time
+ * use by the firmware.
+ */
+ memset(pict_dec_res->fw_ctx_buf.cpu_virt, 0, pict_dec_res->fw_ctx_buf.buf_size);
+
+ switch (dec_str_context->config.vid_std) {
+ case VDEC_STD_H264:
+ /* Allocate the SGM buffer */
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("%s:%d calling MMU_StreamMalloc", __func__, __LINE__);
+#endif
+ ret = mmu_stream_alloc
+ (dec_str_context->mmu_str_handle,
+ MMU_HEAP_STREAM_BUFFERS, mem_heap_id,
+ (enum sys_emem_attrib)(mem_attribs | SYS_MEMATTRIB_CPU_WRITE),
+ H264_SGM_BUFFER_BYTES_PER_MB *
+ H264_SGM_MAX_MBS,
+ DEV_MMU_PAGE_ALIGNMENT,
+ &pict_dec_res->h264_sgm_buf);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto err_out_of_memory;
+
+ /* Clear the SGM data. */
+ memset(pict_dec_res->h264_sgm_buf.cpu_virt, 0, pict_dec_res->h264_sgm_buf.buf_size);
+ break;
+
+ default:
+ break;
+ }
+
+ pict_dec_res->ref_cnt = 1;
+
+ ret = resource_list_add_img(&dec_str_context->dec_res_lst, pict_dec_res, 0,
+ &pict_dec_res->ref_cnt);
+
+ if (ret != IMG_SUCCESS) {
+ pr_warn("[USERSID=0x%08X] Failed to add resource",
+ dec_str_context->config.user_str_id);
+ }
+
+ return IMG_SUCCESS;
+
+err_out_of_memory:
+ if (pict_dec_res) {
+ if (fw_ctx_buf)
+ mmu_free_mem(dec_str_context->mmu_str_handle, &pict_dec_res->fw_ctx_buf);
+
+ kfree(pict_dec_res);
+ pict_dec_res = NULL;
+ }
+
+ pr_err("[USERSID=0x%08X] Failed to allocate device memory for stream decode resources",
+ dec_str_context->config.user_str_id);
+
+ return IMG_ERROR_OUT_OF_MEMORY;
+}
+
+/*
+ * @Function decoder_stream_create
+ */
+int decoder_stream_create(void *dec_ctx_arg,
+ struct vdec_str_configdata str_cfg,
+ unsigned int km_str_id, void **mmu_str_handle,
+ void *vxd_dec_ctx, void *str_user_int_data,
+ void **dec_str_ctx_arg, void *decoder_cb,
+ void *query_cb)
+{
+ struct dec_ctx *dec_context = (struct dec_ctx *)dec_ctx_arg;
+ struct dec_str_ctx *dec_str_ctx = NULL;
+ unsigned int i;
+ int ret;
+ unsigned int mem_heap_id;
+ enum sys_emem_attrib mem_attribs;
+ struct dec_core_ctx *dec_core_ctx_local;
+
+ /* Check input parameters. */
+ VDEC_ASSERT(dec_ctx_arg);
+ if (!dec_ctx_arg) {
+ pr_err("Invalid parameters!");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ if (dec_context->str_cnt >= MAX_CONCURRENT_STREAMS) {
+ pr_err("Device has too many concurrent streams. Number of Concurrent streams allowed: %d.",
+ MAX_CONCURRENT_STREAMS);
+ return IMG_ERROR_DEVICE_UNAVAILABLE;
+ }
+
+ mem_heap_id = dec_context->internal_heap_id;
+ mem_attribs = (enum sys_emem_attrib)(SYS_MEMATTRIB_UNCACHED | SYS_MEMATTRIB_WRITECOMBINE);
+ mem_attribs |= (enum sys_emem_attrib)SYS_MEMATTRIB_INTERNAL;
+
+ /* Allocate Decoder Stream Context */
+ dec_str_ctx = kzalloc(sizeof(*dec_str_ctx), GFP_KERNEL);
+ VDEC_ASSERT(dec_str_ctx);
+ if (!dec_str_ctx)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ /* Increment the stream counter */
+ dec_context->str_cnt++;
+
+ /*
+ * Initialise the context structure to NULL. Any non-zero
+ * default values should be set at this point.
+ */
+ dec_str_ctx->config = str_cfg;
+ dec_str_ctx->vxd_dec_ctx = vxd_dec_ctx;
+ dec_str_ctx->usr_int_data = str_user_int_data;
+ dec_str_ctx->decctx = dec_context;
+
+ decoder_init_avail_slots(dec_str_ctx);
+
+ dec_str_ctx->next_dec_pict_id = 1;
+ dec_str_ctx->next_pict_id_expected = 1;
+
+ dec_str_ctx->km_str_id = km_str_id;
+ VDEC_ASSERT(dec_str_ctx->km_str_id > 0);
+
+ lst_init(&dec_str_ctx->pend_strunit_list);
+ dq_init(&dec_str_ctx->str_decd_pict_list);
+ lst_init(&dec_str_ctx->ref_res_lst);
+ lst_init(&dec_str_ctx->dec_res_lst);
+
+ ret = idgen_createcontext(DECODER_MAX_PICT_ID + 1,
+ DECODER_MAX_CONCURRENT_PICT,
+ TRUE,
+ &dec_str_ctx->pict_idgen);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /* Create an MMU context for this stream. */
+ ret = mmu_stream_create(dec_context->mmu_dev_handle,
+ dec_str_ctx->km_str_id,
+ dec_str_ctx->vxd_dec_ctx,
+ &dec_str_ctx->mmu_str_handle);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ dec_core_ctx_local = dec_context->dec_core_ctx;
+
+ VDEC_ASSERT(dec_core_ctx_local);
+
+ /* Create core resources */
+ ret = dec_res_create(dec_str_ctx->mmu_str_handle,
+ &dec_core_ctx_local->core_props,
+ dec_context->dev_cfg->num_slots_per_pipe *
+ dec_context->num_pipes,
+ dec_context->internal_heap_id,
+ &dec_str_ctx->resources);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /* Allocate the PVDEC firmware context buffer */
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("%s:%d calling MMU_StreamMalloc", __func__, __LINE__);
+#endif
+ ret = mmu_stream_alloc(dec_str_ctx->mmu_str_handle, MMU_HEAP_STREAM_BUFFERS,
+ mem_heap_id,
+ (enum sys_emem_attrib)(mem_attribs | SYS_MEMATTRIB_CPU_WRITE),
+ CONTEXT_BUFF_SIZE,
+ DEV_MMU_PAGE_ALIGNMENT,
+ &dec_str_ctx->pvdec_fw_ctx_buf);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /*
+ * Clear the context data in preparation for
+ * first time use by the firmware.
+ */
+ memset(dec_str_ctx->pvdec_fw_ctx_buf.cpu_virt, 0, dec_str_ctx->pvdec_fw_ctx_buf.buf_size);
+
+ /*
+ * Create enough device resources to hold last context on
+ * front and back-end for stream.
+ */
+ dec_str_ctx->num_dec_res =
+ dec_str_ctx->decctx->dev_cfg->num_slots_per_pipe *
+ dec_str_ctx->decctx->num_pipes;
+ for (i = 0; i < dec_str_ctx->num_dec_res + 2; i++) {
+ ret = decoder_stream_decode_resource_create(dec_str_ctx);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+ }
+
+ dec_str_ctx->str_processed_cb = (strunit_processed_cb)decoder_cb;
+
+ dec_str_ctx->core_query_cb = (core_gen_cb)query_cb;
+
+ lst_add(&dec_context->str_list, dec_str_ctx);
+
+ *dec_str_ctx_arg = (void *)dec_str_ctx;
+ *mmu_str_handle = dec_str_ctx->mmu_str_handle;
+
+ return IMG_SUCCESS;
+
+ /* Roll back in case of errors. */
+error:
+ decoder_stream_destroy((void *)dec_str_ctx, FALSE);
+
+ return ret;
+}
+
+/*
+ * @Function decoder_get_decoded_pict
+ */
+static struct dec_decoded_pict *decoder_get_decoded_pict(unsigned int transaction_id,
+ struct dq_linkage_t *dq_list)
+{
+ struct dec_decoded_pict *decoded_pict;
+ void *item = NULL;
+
+ VDEC_ASSERT(dq_list);
+
+ decoded_pict = dq_first(dq_list);
+ while (decoded_pict) {
+ if (decoded_pict->transaction_id == transaction_id) {
+ item = decoded_pict;
+ break;
+ }
+
+ if (decoded_pict != dq_last(dq_list))
+ decoded_pict = dq_next(decoded_pict);
+ else
+ decoded_pict = NULL;
+ }
+
+ return item;
+}
+
+/*
+ * @Function decoder_get_decoded_pict_of_stream
+ */
+static struct dec_decoded_pict *decoder_get_decoded_pict_of_stream(unsigned int pict_id,
+ struct dq_linkage_t *dq_list)
+{
+ struct dec_decoded_pict *decoded_pict;
+ void *item = NULL;
+
+ VDEC_ASSERT(dq_list);
+
+ decoded_pict = dq_first(dq_list);
+ while (decoded_pict) {
+ if (GET_STREAM_PICTURE_ID(decoded_pict->transaction_id) == pict_id) {
+ item = decoded_pict;
+ break;
+ }
+
+ if (decoded_pict != dq_last(dq_list))
+ decoded_pict = dq_next(decoded_pict);
+ else
+ decoded_pict = NULL;
+ }
+ return item;
+}
+
+/*
+ * @Function decoder_get_next_decpict_contiguous
+ */
+static struct
+dec_decoded_pict *decoder_get_next_decpict_contiguous(struct dec_decoded_pict *decoded_pict,
+ unsigned int next_dec_pict_id,
+ struct dq_linkage_t *str_decoded_pict_list)
+{
+ struct dec_decoded_pict *next_dec_pict = NULL;
+ struct dec_decoded_pict *result_dec_pict = NULL;
+
+ VDEC_ASSERT(str_decoded_pict_list);
+ if (!str_decoded_pict_list) {
+ pr_err("Invalid parameter");
+ return NULL;
+ }
+
+ if (decoded_pict) {
+ if (decoded_pict != dq_last(str_decoded_pict_list)) {
+ next_dec_pict = dq_next(decoded_pict);
+ if (!next_dec_pict) {
+ VDEC_ASSERT(0);
+ return NULL;
+ }
+
+ if (next_dec_pict->pict) {
+ /*
+ * If we have no holes in the decoded list
+ * (i.e. next decoded picture is next in
+ * bitstream decode order).
+ */
+ if (HAS_X_REACHED_Y(next_dec_pict_id, next_dec_pict->pict->pict_id,
+ 1 << FWIF_NUMBITS_STREAM_PICTURE_ID,
+ unsigned int)) {
+ result_dec_pict = next_dec_pict;
+ }
+ }
+ }
+ }
+
+ return result_dec_pict;
+}
+
+/*
+ * @Function decoder_next_picture
+ * @Description
+ * Returns the next unprocessed picture or NULL if the next picture is not
+ * next in bitstream decode order or there are no more decoded pictures in the
+ * list.
+
+ * @Input psCurrentDecodedPicture : Pointer to current decoded picture.
+
+ * @Input ui32NextDecPictId : Picture ID of next picture in decode
+ * order.
+
+ * @Input psStrDecdPictList : Pointer to decoded picture list.
+
+ * @Return DECODER_sDecodedPict * : Pointer to next decoded picture to
+ * process.
+ */
+static struct dec_decoded_pict *decoder_next_picture(struct dec_decoded_pict *cur_decoded_pict,
+ unsigned int next_dec_pict_d,
+ struct dq_linkage_t *str_decodec_pict_list)
+{
+ struct dec_decoded_pict *ret = NULL;
+
+ VDEC_ASSERT(str_decodec_pict_list);
+ if (!str_decodec_pict_list)
+ return NULL;
+
+ if (!cur_decoded_pict)
+ cur_decoded_pict = dq_first(str_decodec_pict_list);
+
+ if (cur_decoded_pict && !cur_decoded_pict->process_failed) {
+ /* Search for picture ID greater than picture in list */
+ do {
+ if (!cur_decoded_pict->processed) {
+ /*
+ * Return the current one because it has not
+ * been processed
+ */
+ ret = cur_decoded_pict;
+ break;
+ }
+ /*
+ * Obtain a pointer to the next picture in bitstream
+ * decode order.
+ */
+ cur_decoded_pict = decoder_get_next_decpict_contiguous
+ (cur_decoded_pict,
+ next_dec_pict_d,
+ str_decodec_pict_list);
+ } while (cur_decoded_pict &&
+ !cur_decoded_pict->process_failed);
+ }
+ return ret;
+}
+
+/*
+ * @Function decoder_picture_display
+ */
+static int decoder_picture_display(struct dec_str_ctx *dec_str_ctx,
+ unsigned int pict_id, unsigned char last)
+{
+ struct vdecdd_picture *picture;
+ int ret;
+ static unsigned int display_num;
+
+ VDEC_ASSERT(dec_str_ctx);
+
+ ret = idgen_gethandle(dec_str_ctx->pict_idgen, pict_id, (void **)&picture);
+ if (ret == IMG_SUCCESS) {
+ struct vdecdd_ddbuf_mapinfo *pict_buf;
+
+ /* validate pointers */
+ if (!picture || !picture->dec_pict_info) {
+ VDEC_ASSERT(0);
+ return -EIO;
+ }
+
+ pict_buf = picture->disp_pict_buf.pict_buf;
+ VDEC_ASSERT(pict_buf);
+
+ /*
+ * Indicate whether there are more pictures
+ * coming for display.
+ */
+ picture->dec_pict_info->last_in_seq = last;
+
+ /* Set decode order id */
+ picture->dec_pict_info->decode_id = pict_id;
+
+ /* Return the picture to the client for display */
+ dec_str_ctx->dec_str_st.total_pict_displayed++;
+ resource_item_use(&pict_buf->ddbuf_info.ref_count);
+ display_num++;
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] DISPLAY(%d): PIC_ID[%d]",
+ dec_str_ctx->config.user_str_id, display_num, pict_id);
+#endif
+
+ VDEC_ASSERT(dec_str_ctx->decctx);
+ ret = dec_str_ctx->str_processed_cb(dec_str_ctx->usr_int_data,
+ VXD_CB_PICT_DISPLAY,
+ picture);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /*
+ * All handles will be freed after actually
+ * displaying the picture.
+ * Reset them to NULL here to avoid any confusion.
+ */
+ memset(&picture->dec_pict_sup_data, 0, sizeof(picture->dec_pict_sup_data));
+ } else {
+ pr_warn("[USERSID=0x%08X] ERROR: DISPLAY PICTURE HAS AN EXPIRED ID",
+ dec_str_ctx->config.user_str_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ }
+
+ return IMG_SUCCESS;
+}
+
+#ifdef ERROR_CONCEALMENT
+/*
+ * @Function decoder_get_pict_processing_info
+ */
+static unsigned char decoder_get_pict_processing_info(struct dec_core_ctx *dec_corectx,
+ struct dec_str_ctx *dec_strctx,
+ struct bspp_pict_hdr_info *pict_hdr_info,
+ struct dec_decoded_pict *decoded_pict,
+ struct dec_decpict *dec_pict,
+ unsigned int *pict_last_mb)
+{
+ int ret = IMG_SUCCESS;
+ unsigned char pipe_minus1;
+ struct hwctrl_state last_state;
+ unsigned int width_in_mb;
+ unsigned int height_in_mb;
+ unsigned int i;
+
+ memset(&last_state, 0, sizeof(last_state));
+
+ VDEC_ASSERT(pict_hdr_info);
+ width_in_mb = (pict_hdr_info->coded_frame_size.width +
+ (VDEC_MB_DIMENSION - 1)) / VDEC_MB_DIMENSION;
+ height_in_mb = (pict_hdr_info->coded_frame_size.height +
+ (VDEC_MB_DIMENSION - 1)) / VDEC_MB_DIMENSION;
+
+ VDEC_ASSERT(pict_last_mb);
+ *pict_last_mb = width_in_mb * height_in_mb;
+ VDEC_ASSERT(decoded_pict);
+
+ if (decoded_pict->first_fld_fwmsg->pict_attrs.pict_attrs.dwrfired ||
+ decoded_pict->second_fld_fwmsg->pict_attrs.pict_attrs.dwrfired ||
+ decoded_pict->first_fld_fwmsg->pict_attrs.pict_attrs.mmufault ||
+ decoded_pict->second_fld_fwmsg->pict_attrs.pict_attrs.mmufault) {
+ struct dec_pict_attrs *pict_attrs = &decoded_pict->first_fld_fwmsg->pict_attrs;
+ unsigned char be_found = FALSE;
+ unsigned int mbs_dropped = 0;
+ unsigned int mbs_recovered = 0;
+ unsigned int no_be_wdt = 0;
+ unsigned int max_y = 0;
+ unsigned int row_drop = 0;
+
+ VDEC_ASSERT(dec_corectx);
+ /* Obtain the last available core status -
+ * cached before clocks where switched off
+ */
+ ret = hwctrl_getcore_cached_status(dec_corectx->hw_ctx, &last_state);
+ if (ret != IMG_SUCCESS)
+ return FALSE;
+
+ /* Try to determine pipe where the last picture was decoded on (BE) */
+ for (pipe_minus1 = 0; pipe_minus1 < VDEC_MAX_PIXEL_PIPES; pipe_minus1++) {
+ for (i = VDECFW_CHECKPOINT_BE_END; i >= VDECFW_CHECKPOINT_BE_START; i--) {
+ struct vxd_pipestate *pipe_state =
+ &last_state.core_state.fw_state.pipe_state[pipe_minus1];
+
+ if (!pipe_state->is_pipe_present)
+ continue;
+
+ if (pipe_state->acheck_point[i] == decoded_pict->transaction_id) {
+ row_drop += width_in_mb - pipe_state->be_mb.x;
+ if (pipe_state->be_mb.y > max_y)
+ max_y = pipe_state->be_mb.y;
+
+ if (pipe_state->be_mbs_dropped > mbs_dropped)
+ mbs_dropped = pipe_state->be_mbs_dropped;
+
+ if (pipe_state->be_mbs_recovered > mbs_recovered)
+ mbs_recovered = pipe_state->be_mbs_recovered;
+
+ no_be_wdt += pipe_state->be_errored_slices;
+ be_found = TRUE;
+ }
+ }
+ if (be_found)
+ /* No need to check FE as we already have an info from BE */
+ continue;
+
+ /* If not found, we probbaly stuck on FE ? */
+ for (i = VDECFW_CHECKPOINT_FE_END; i >= VDECFW_CHECKPOINT_FE_START; i--) {
+ struct vxd_pipestate *pipe_state =
+ &last_state.core_state.fw_state.pipe_state[pipe_minus1];
+
+ if (!pipe_state->is_pipe_present)
+ continue;
+
+ if (pipe_state->acheck_point[i] == decoded_pict->transaction_id) {
+ /* Mark all MBs as dropped */
+ pict_attrs->mbs_dropped = *pict_last_mb;
+ pict_attrs->mbs_recovered = 0;
+ return TRUE;
+ }
+ }
+ }
+
+ if (be_found) {
+ /* Calculate last macroblock number processed on BE */
+ unsigned int num_mb_processed = (max_y * width_in_mb) - row_drop;
+
+ /* Sanity check, as HW may signal MbYX position
+ * beyond picture for corrupted streams
+ */
+ if (num_mb_processed > (*pict_last_mb))
+ num_mb_processed = (*pict_last_mb); /* trim */
+
+ if (((*pict_last_mb) - num_mb_processed) > mbs_dropped)
+ mbs_dropped = (*pict_last_mb) - num_mb_processed;
+
+ pict_attrs->mbs_dropped = mbs_dropped;
+ pict_attrs->mbs_recovered = num_mb_processed;
+ pict_attrs->no_be_wdt = no_be_wdt;
+ return TRUE;
+ }
+ return FALSE;
+ }
+ /* Picture was decoded without DWR, so we have already the required info */
+ return TRUE;
+}
+#endif
+
+/*
+ * @Function decoder_picture_release
+ */
+static int decoder_picture_release(struct dec_str_ctx *dec_str_ctx,
+ unsigned int pict_id,
+ unsigned char displayed,
+ unsigned char merged)
+{
+ struct vdecdd_picture *picture;
+ int ret;
+
+ /* validate input arguments */
+ if (!dec_str_ctx) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+ ret = idgen_gethandle(dec_str_ctx->pict_idgen, pict_id, (void **)&picture);
+ if (ret == IMG_SUCCESS) {
+ if (!picture || !picture->dec_pict_info) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+ /* Set decode order id */
+ picture->dec_pict_info->decode_id = pict_id;
+
+ VDEC_ASSERT(dec_str_ctx->decctx);
+
+ pr_debug("Decoder picture released pict_id = %d\n", pict_id);
+ ret = dec_str_ctx->str_processed_cb(dec_str_ctx->usr_int_data,
+ VXD_CB_PICT_RELEASE,
+ picture);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /*
+ * All handles will be freed after actually displaying
+ * the picture. Reset them to NULL here to avoid any
+ * confusion.
+ */
+ memset(&picture->dec_pict_sup_data, 0, sizeof(picture->dec_pict_sup_data));
+ } else {
+ pr_err("[USERSID=0x%08X] ERROR: RELEASE PICTURE HAS AN EXPIRED ID",
+ dec_str_ctx->config.user_str_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ }
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_stream_flush_process_dpb_h264
+ */
+static int
+decoder_stream_flush_process_dpb_h264(struct dec_str_ctx *dec_str_ctx,
+ struct dec_decoded_pict *decoded_pict,
+ unsigned char discard_refs)
+{
+ int ret;
+
+ struct h264fw_context_data *ctx_data =
+ (struct h264fw_context_data *)dec_str_ctx->last_be_pict_dec_res->fw_ctx_buf.cpu_virt;
+ unsigned char found = TRUE;
+ unsigned int i;
+ int min_cnt;
+ int min_cnt_idx;
+ unsigned int num_display_pics = 0;
+ unsigned int num_pics_displayed = 0;
+ struct dec_decoded_pict *display_pict = NULL;
+ unsigned int last_disp_pict_tid;
+ unsigned int pict_id;
+
+ /* Determine how many display pictures reside in the DPB */
+ if (ctx_data->dpb_size > H264FW_MAX_DPB_SIZE || ctx_data->dpb_size <= 0) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] Incorrect DPB size: %d",
+ dec_str_ctx->config.user_str_id, ctx_data->dpb_size);
+#endif
+ ctx_data->dpb_size = H264FW_MAX_DPB_SIZE;
+ }
+ for (i = 0; i < ctx_data->dpb_size; i++) {
+ if (ctx_data->dpb[i].transaction_id)
+ if (ctx_data->dpb[i].needed_for_output)
+ num_display_pics++;
+ }
+
+ last_disp_pict_tid = ctx_data->last_displayed_pic_data[0].transaction_id;
+ /* Check for picture stuck outside the dpb */
+ if (last_disp_pict_tid) {
+ VDEC_ASSERT(last_disp_pict_tid != 0xffffffff);
+
+ display_pict = decoder_get_decoded_pict(last_disp_pict_tid,
+ &dec_str_ctx->str_decd_pict_list);
+
+ if (display_pict && display_pict->pict &&
+ display_pict->pict->dec_pict_info) {
+ if (FLAG_IS_SET(ctx_data->prev_display_flags,
+ VDECFW_BUFFLAG_DISPLAY_FIELD_CODED)) {
+ if (!FLAG_IS_SET(ctx_data->prev_display_flags,
+ VDECFW_BUFFLAG_DISPLAY_SINGLE_FIELD))
+ display_pict->pict->dec_pict_info->buf_type =
+ IMG_BUFFERTYPE_PAIR;
+ else
+ display_pict->pict->dec_pict_info->buf_type =
+ FLAG_IS_SET
+ (ctx_data->prev_display_flags,
+ VDECFW_BUFFLAG_DISPLAY_BOTTOM_FIELD) ?
+ IMG_BUFFERTYPE_FIELD_BOTTOM :
+ IMG_BUFFERTYPE_FIELD_TOP;
+ } else {
+ display_pict->pict->dec_pict_info->buf_type =
+ IMG_BUFFERTYPE_FRAME;
+ }
+ } else {
+ VDEC_ASSERT(display_pict);
+ VDEC_ASSERT(display_pict && display_pict->pict);
+ VDEC_ASSERT(display_pict && display_pict->pict &&
+ display_pict->pict->dec_pict_info);
+ }
+
+ if (display_pict && !display_pict->displayed) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] DISPLAY",
+ dec_str_ctx->config.user_str_id,
+ last_disp_pict_tid);
+#endif
+ display_pict->displayed = TRUE;
+ ret = decoder_picture_display
+ (dec_str_ctx, GET_STREAM_PICTURE_ID(last_disp_pict_tid),
+ TRUE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+ }
+
+ while (found) {
+ min_cnt = ((unsigned int)(1 << 31)) - 1;
+ min_cnt_idx = -1;
+ found = FALSE;
+
+ /* Loop over the DPB to find the first in order */
+ for (i = 0; i < ctx_data->dpb_size; i++) {
+ if (ctx_data->dpb[i].transaction_id &&
+ (ctx_data->dpb[i].needed_for_output ||
+ discard_refs)) {
+ if (ctx_data->dpb[i].top_field_order_count <
+ min_cnt) {
+ min_cnt =
+ ctx_data->dpb[i].top_field_order_count;
+ min_cnt_idx = i;
+ found = TRUE;
+ }
+ }
+ }
+
+ if (found) {
+ unsigned int umin_cnt_tid = ctx_data->dpb[min_cnt_idx].transaction_id;
+
+ if (ctx_data->dpb[min_cnt_idx].needed_for_output) {
+ VDEC_ASSERT(umin_cnt_tid != 0xffffffff);
+ display_pict =
+ decoder_get_decoded_pict(umin_cnt_tid,
+ &dec_str_ctx->str_decd_pict_list);
+
+ if ((display_pict && display_pict->pict &&
+ display_pict->pict->dec_pict_info) &&
+ FLAG_IS_SET(ctx_data->dpb[min_cnt_idx].display_flags,
+ VDECFW_BUFFLAG_DISPLAY_FIELD_CODED)) {
+ if (!FLAG_IS_SET(ctx_data->dpb[min_cnt_idx].display_flags,
+ VDECFW_BUFFLAG_DISPLAY_SINGLE_FIELD))
+ display_pict->pict->dec_pict_info->buf_type =
+ IMG_BUFFERTYPE_PAIR;
+ else
+ display_pict->pict->dec_pict_info->buf_type =
+ FLAG_IS_SET
+ (ctx_data->dpb
+ [min_cnt_idx].display_flags,
+ VDECFW_BUFFLAG_DISPLAY_BOTTOM_FIELD)
+ ?
+ IMG_BUFFERTYPE_FIELD_BOTTOM :
+ IMG_BUFFERTYPE_FIELD_TOP;
+ display_pict->pict->dec_pict_info->view_id =
+ ctx_data->dpb[min_cnt_idx].view_id;
+ } else if ((display_pict && display_pict->pict &&
+ display_pict->pict->dec_pict_info) &&
+ (!FLAG_IS_SET(ctx_data->dpb[min_cnt_idx].display_flags,
+ VDECFW_BUFFLAG_DISPLAY_FIELD_CODED))){
+ display_pict->pict->dec_pict_info->buf_type =
+ IMG_BUFFERTYPE_FRAME;
+ display_pict->pict->dec_pict_info->view_id =
+ ctx_data->dpb[min_cnt_idx].view_id;
+ } else {
+ VDEC_ASSERT(display_pict);
+ VDEC_ASSERT(display_pict && display_pict->pict);
+ VDEC_ASSERT(display_pict && display_pict->pict &&
+ display_pict->pict->dec_pict_info);
+ }
+
+ if (display_pict && !display_pict->displayed) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] DISPLAY",
+ dec_str_ctx->config.user_str_id,
+ umin_cnt_tid);
+#endif
+ display_pict->displayed = TRUE;
+ num_pics_displayed++;
+ ret = decoder_picture_display
+ (dec_str_ctx,
+ GET_STREAM_PICTURE_ID(umin_cnt_tid),
+ num_pics_displayed == num_display_pics ?
+ TRUE : FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+ ctx_data->dpb[min_cnt_idx].needed_for_output = FALSE;
+ }
+
+ if (discard_refs) {
+ decoded_pict =
+ decoder_get_decoded_pict(umin_cnt_tid,
+ &dec_str_ctx->str_decd_pict_list);
+ if (decoded_pict) {
+ /* Signal releasing this picture to upper layers. */
+ pict_id =
+ GET_STREAM_PICTURE_ID(decoded_pict->transaction_id);
+ decoder_picture_release(dec_str_ctx,
+ pict_id,
+ decoded_pict->displayed,
+ decoded_pict->merged);
+ /* Destroy the decoded picture. */
+ ret = decoder_decoded_picture_destroy(dec_str_ctx,
+ decoded_pict, FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+ ctx_data->dpb[min_cnt_idx].transaction_id = 0;
+ }
+ }
+ }
+
+ VDEC_ASSERT(num_pics_displayed == num_display_pics);
+
+ return IMG_SUCCESS;
+}
+
+#ifdef HAS_HEVC
+/*
+ * decoder_StreamFlushProcessDPB_HEVC
+ */
+static int decoder_stream_flush_process_dpb_hevc(struct dec_str_ctx *decstr_ctx,
+ struct dec_decoded_pict *decoded_pict,
+ unsigned char discard_refs)
+{
+ int result;
+ struct hevcfw_ctx_data *ctx =
+ (struct hevcfw_ctx_data *)decstr_ctx->last_be_pict_dec_res->fw_ctx_buf.cpu_virt;
+ struct hevcfw_decoded_picture_buffer *dpb;
+ unsigned char found = TRUE;
+ unsigned char idx;
+ int min_poc_val;
+ signed char dpb_idx;
+ unsigned char num_display_pics = 0;
+ unsigned char num_pics_displayed = 0;
+ struct dec_decoded_pict *display_pict = NULL;
+
+ /*
+ * Update the fw context for analysing the dpb in order
+ * to display or release any outstanding picture
+ */
+ dpb = &ctx->dpb;
+
+ /* Determine how many display pictures reside in the DPB. */
+ for (idx = 0; idx < HEVCFW_MAX_DPB_SIZE; ++idx) {
+ struct hevcfw_picture_in_dpb *dpb_pic = &dpb->pictures[idx];
+
+ if (dpb_pic->valid && dpb_pic->needed_for_output)
+ ++num_display_pics;
+ }
+
+ while (found) {
+ struct hevcfw_picture_in_dpb *dpb_pic;
+
+ min_poc_val = 0x7fffffff;
+ dpb_idx = HEVCFW_DPB_IDX_INVALID;
+ found = FALSE;
+
+ /* Loop over the DPB to find the first in order */
+ for (idx = 0; idx < HEVCFW_MAX_DPB_SIZE; ++idx) {
+ dpb_pic = &dpb->pictures[idx];
+ if (dpb_pic->valid && (dpb_pic->needed_for_output || discard_refs)) {
+ if (dpb_pic->picture.pic_order_cnt_val < min_poc_val) {
+ min_poc_val = dpb_pic->picture.pic_order_cnt_val;
+ dpb_idx = idx;
+ found = TRUE;
+ }
+ }
+ }
+
+ if (!found)
+ break;
+
+ dpb_pic = &dpb->pictures[dpb_idx];
+
+ if (dpb_pic->needed_for_output) {
+ unsigned int str_pic_id = GET_STREAM_PICTURE_ID
+ (dpb_pic->picture.transaction_id);
+
+ VDEC_ASSERT(dpb_pic->picture.transaction_id != 0xffffffff);
+ display_pict = decoder_get_decoded_pict(dpb_pic->picture.transaction_id,
+ &decstr_ctx->str_decd_pict_list);
+
+ if (display_pict && display_pict->pict &&
+ display_pict->pict->dec_pict_info) {
+ display_pict->pict->dec_pict_info->buf_type = IMG_BUFFERTYPE_FRAME;
+ } else {
+ VDEC_ASSERT(display_pict);
+ VDEC_ASSERT(display_pict && display_pict->pict);
+ VDEC_ASSERT(display_pict && display_pict->pict &&
+ display_pict->pict->dec_pict_info);
+
+ dpb_pic->valid = FALSE;
+ continue;
+ }
+
+ if (!display_pict->displayed) {
+ display_pict->displayed = TRUE;
+ ++num_pics_displayed;
+ result = decoder_picture_display(decstr_ctx, str_pic_id,
+ num_pics_displayed ==
+ num_display_pics);
+ VDEC_ASSERT(result == IMG_SUCCESS);
+ if (result != IMG_SUCCESS)
+ return result;
+ }
+ dpb_pic->needed_for_output = FALSE;
+ }
+
+ if (discard_refs) {
+ decoded_pict = decoder_get_decoded_pict(dpb_pic->picture.transaction_id,
+ &decstr_ctx->str_decd_pict_list);
+
+ if (decoded_pict) {
+ /* Signal releasing this picture to upper layers. */
+ decoder_picture_release(decstr_ctx,
+ GET_STREAM_PICTURE_ID
+ (decoded_pict->transaction_id),
+ decoded_pict->displayed,
+ decoded_pict->merged);
+ /* Destroy the decoded picture. */
+ result = decoder_decoded_picture_destroy(decstr_ctx, decoded_pict,
+ FALSE);
+ VDEC_ASSERT(result == IMG_SUCCESS);
+ if (result != IMG_SUCCESS)
+ return result;
+ }
+ dpb_pic->valid = FALSE;
+ }
+ }
+
+ VDEC_ASSERT(num_pics_displayed == num_display_pics);
+
+ return IMG_SUCCESS;
+}
+#endif
+
+/*
+ * @Function decoder_stream_flush_process_dpb
+ * @Description
+ * Process DPB fetched from firmware, display and release relevant pictures.
+ */
+static int decoder_stream_flush_process_dpb(struct dec_str_ctx *dec_str_ctx,
+ struct dec_decoded_pict *decoded_pict,
+ unsigned char discard_refs)
+{
+ int ret = 0;
+ /* Get oldest reference to display. */
+ decoded_pict = dq_last(&dec_str_ctx->str_decd_pict_list);
+ if (decoded_pict) {
+ switch (dec_str_ctx->config.vid_std) {
+ case VDEC_STD_H264:
+ ret = decoder_stream_flush_process_dpb_h264(dec_str_ctx, decoded_pict,
+ discard_refs);
+
+ break;
+#ifdef HAS_HEVC
+ case VDEC_STD_HEVC:
+ decoder_stream_flush_process_dpb_hevc(dec_str_ctx,
+ decoded_pict, discard_refs);
+#endif
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return ret;
+}
+
+int decoder_stream_flush(void *dec_str_ctx_arg, unsigned char discard_refs)
+{
+ struct dec_str_ctx *dec_str_ctx;
+ struct dec_str_unit *dec_str_unit;
+ struct dec_decoded_pict *decoded_pict;
+ int ret = 0;
+
+ dec_str_ctx = decoder_stream_get_context(dec_str_ctx_arg);
+ VDEC_ASSERT(dec_str_ctx);
+ if (!dec_str_ctx) {
+ pr_err("Invalid decoder stream context handle!");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ /*
+ * Since the stream should be stopped before flushing
+ * there should be no pictures in the stream list.
+ */
+ dec_str_unit = lst_first(&dec_str_ctx->pend_strunit_list);
+ while (dec_str_unit) {
+ VDEC_ASSERT(dec_str_unit->str_unit->str_unit_type !=
+ VDECDD_STRUNIT_PICTURE_START);
+ dec_str_unit = lst_next(dec_str_unit);
+ }
+
+ decoded_pict = dq_last(&dec_str_ctx->str_decd_pict_list);
+
+ ret = decoder_stream_flush_process_dpb(dec_str_ctx, decoded_pict,
+ discard_refs);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ if (discard_refs) {
+ while (!dq_empty(&dec_str_ctx->str_decd_pict_list)) {
+ struct dec_decoded_pict *non_decoded_pict =
+ dq_first(&dec_str_ctx->str_decd_pict_list);
+
+ if (!non_decoded_pict) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] Decoded picture list contains item ID:0x%08x when DPB is empty",
+ dec_str_ctx->config.user_str_id,
+ non_decoded_pict->transaction_id);
+#endif
+
+ /* release the buffers back to vxd_decoder */
+ decoder_picture_release(dec_str_ctx, GET_STREAM_PICTURE_ID
+ (non_decoded_pict->transaction_id), FALSE,
+ FALSE);
+
+ ret = decoder_decoded_picture_destroy(dec_str_ctx, non_decoded_pict, FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+ VDEC_ASSERT(dq_empty(&dec_str_ctx->str_decd_pict_list));
+
+ if (dec_str_ctx->last_be_pict_dec_res)
+ /*
+ * Clear the firmware context so that reference
+ * pictures are no longer referred to.
+ */
+ memset(dec_str_ctx->last_be_pict_dec_res->fw_ctx_buf.cpu_virt, 0,
+ dec_str_ctx->last_be_pict_dec_res->fw_ctx_buf.buf_size);
+ }
+
+ pr_debug("Decoder stream flushed successfully\n");
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_stream_prepare_ctx
+ */
+int decoder_stream_prepare_ctx(void *dec_str_ctx_arg, unsigned char flush_dpb)
+{
+ struct dec_str_ctx *dec_str_ctx =
+ decoder_stream_get_context(dec_str_ctx_arg);
+ int ret;
+
+ VDEC_ASSERT(dec_str_ctx);
+ if (!dec_str_ctx)
+ return IMG_ERROR_INVALID_PARAMETERS;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] Preparing stream context after seek",
+ dec_str_ctx->config.user_str_id,
+ dec_str_ctx->last_fe_transaction_id);
+#endif
+
+ if (flush_dpb) {
+ ret = decoder_stream_flush(dec_str_ctx, TRUE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ /* Reset front-end temporary pointers */
+ if (dec_str_ctx->prev_fe_pict_dec_res) {
+ resource_item_return(&dec_str_ctx->prev_fe_pict_dec_res->ref_cnt);
+ dec_str_ctx->prev_fe_pict_dec_res = NULL;
+ }
+ if (dec_str_ctx->cur_fe_pict_dec_res) {
+ resource_item_return(&dec_str_ctx->cur_fe_pict_dec_res->ref_cnt);
+ dec_str_ctx->cur_fe_pict_dec_res = NULL;
+ }
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_get_load
+ */
+int decoder_get_load(void *dec_str_ctx_arg, unsigned int *avail_slots)
+{
+ struct dec_str_ctx *dec_str_ctx =
+ decoder_stream_get_context(dec_str_ctx_arg);
+ struct dec_core_ctx *dec_core_ctx_local = NULL;
+
+ /* Check input parameters. */
+ VDEC_ASSERT(dec_str_ctx);
+ if (!dec_str_ctx || !avail_slots) {
+ pr_err("Invalid parameters!");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ dec_core_ctx_local = decoder_str_ctx_to_core_ctx(dec_str_ctx);
+ if (!dec_core_ctx_local) {
+ VDEC_ASSERT(0);
+ return -EIO;
+ }
+
+ if (dec_core_ctx_local->busy)
+ *avail_slots = 0;
+ else
+ *avail_slots = dec_str_ctx->avail_slots;
+
+ return IMG_SUCCESS;
+}
+
+static int decoder_check_ref_errors(struct dec_str_ctx *dec_str_ctx,
+ struct vdecfw_buffer_control *buf_ctrl,
+ struct vdecdd_picture *picture)
+{
+ struct dec_decoded_pict *ref_pict;
+ unsigned int i;
+
+ if (!dec_str_ctx) {
+ VDEC_ASSERT(0);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ if (!buf_ctrl || !picture) {
+ pr_err("[USERSID=0x%08X] Invalid parameters for checking reference lists.",
+ dec_str_ctx->config.user_str_id);
+ VDEC_ASSERT(0);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ for (i = 0; i < VDECFW_MAX_NUM_PICTURES && buf_ctrl->ref_list[i];
+ i++) {
+ ref_pict = decoder_get_decoded_pict_of_stream
+ (GET_STREAM_PICTURE_ID(buf_ctrl->ref_list[i]),
+ &dec_str_ctx->str_decd_pict_list);
+ if (ref_pict && ref_pict->pict && ref_pict->pict->dec_pict_info &&
+ ref_pict->pict->dec_pict_info->err_flags) {
+ picture->dec_pict_info->err_flags |=
+ VDEC_ERROR_CORRUPTED_REFERENCE;
+ pr_warn("Picture decoded using corrupted reference: 0x%08X 0x%08X",
+ ref_pict->transaction_id,
+ ref_pict->pict->dec_pict_info->err_flags);
+ }
+ }
+
+ return IMG_SUCCESS;
+}
+
+static void decoder_clean_bitstr_segments(struct lst_t *decpict_seglist)
+{
+ struct dec_decpict_seg *dec_pict_seg;
+
+ while (NULL != (dec_pict_seg = lst_removehead(decpict_seglist))) {
+ if (dec_pict_seg->internal_seg) {
+ VDEC_ASSERT(dec_pict_seg->bstr_seg);
+ kfree(dec_pict_seg->bstr_seg);
+ dec_pict_seg->bstr_seg = NULL;
+ }
+ kfree(dec_pict_seg);
+ }
+}
+
+static int decoder_wrap_bitstr_segments(struct lst_t *bitstr_seglist,
+ struct lst_t *decpict_seglist,
+ unsigned int user_str_id)
+{
+ /* Required for attaching segments to the decode picture */
+ struct bspp_bitstr_seg *bit_str_seg;
+ struct dec_decpict_seg *dec_pict_seg;
+
+ VDEC_ASSERT(bitstr_seglist);
+ VDEC_ASSERT(decpict_seglist);
+
+ /* Add the segments to the Decode Picture */
+ bit_str_seg = lst_first(bitstr_seglist);
+ while (bit_str_seg) {
+ dec_pict_seg = kzalloc(sizeof(*dec_pict_seg), GFP_KERNEL);
+ VDEC_ASSERT(dec_pict_seg);
+ if (!dec_pict_seg)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ dec_pict_seg->bstr_seg = bit_str_seg;
+ dec_pict_seg->internal_seg = FALSE;
+ lst_add(decpict_seglist, dec_pict_seg);
+
+ bit_str_seg = lst_next(bit_str_seg);
+ }
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_picture_decode
+ */
+static int decoder_picture_decode(struct dec_str_ctx *dec_str_ctx,
+ struct vdecdd_str_unit *str_unit,
+ struct dec_decpict **dec_pict_ptr)
+{
+ struct vdecdd_picture *picture;
+ struct dec_core_ctx *dec_core_ctx;
+ struct dec_decpict *dec_pict;
+ int ret = IMG_SUCCESS;
+ struct decoder_regsoffsets regs_offsets;
+
+ /* Validate input arguments */
+ if (!dec_str_ctx || !str_unit || !str_unit->pict_hdr_info || !dec_pict_ptr) {
+ VDEC_ASSERT(0);
+ return -EIO;
+ }
+
+ picture = (struct vdecdd_picture *)str_unit->dd_pict_data;
+ dec_core_ctx = decoder_str_ctx_to_core_ctx(dec_str_ctx);
+
+ if (!picture || !dec_core_ctx) {
+ VDEC_ASSERT(0);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ /* Ensure this is a new picture */
+ VDEC_ASSERT(!dec_str_ctx->cur_pict);
+ VDEC_ASSERT(str_unit->str_unit_type == VDECDD_STRUNIT_PICTURE_START);
+
+ dec_core_ctx->cum_pics++;
+
+ /* Allocate a unique id to the picture */
+ ret = idgen_allocid(dec_str_ctx->pict_idgen, picture, &picture->pict_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Allocate the decoded picture information structure. */
+ picture->dec_pict_info = kzalloc(sizeof(*picture->dec_pict_info), GFP_KERNEL);
+ VDEC_ASSERT(picture->dec_pict_info);
+ if (!picture->dec_pict_info)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ /* Extract decoded information from the stream unit */
+ picture->dec_pict_info->err_flags = str_unit->err_flags;
+ picture->dec_pict_info->first_fld_tag_container.pict_tag_param =
+ (unsigned long)(str_unit->str_unit_tag);
+ picture->dec_pict_info->op_config = picture->op_config;
+ picture->dec_pict_info->rend_info = picture->disp_pict_buf.rend_info;
+ picture->dec_pict_info->disp_info = str_unit->pict_hdr_info->disp_info;
+
+ /* Extract aux picture information from the stream unit */
+ picture->dec_pict_aux_info.seq_hdr_id =
+ str_unit->seq_hdr_info->sequ_hdr_id;
+ picture->dec_pict_aux_info.pps_id =
+ str_unit->pict_hdr_info->pict_aux_data.id;
+ picture->dec_pict_aux_info.second_pps_id =
+ str_unit->pict_hdr_info->second_pict_aux_data.id;
+
+ /* Create a new decoder picture container. */
+ dec_pict = kzalloc(sizeof(*dec_pict), GFP_KERNEL);
+ VDEC_ASSERT(dec_pict);
+ if (!dec_pict) {
+ ret = IMG_ERROR_OUT_OF_MEMORY;
+ goto error_dec_pict;
+ }
+
+ /* Attach decoder/picture context information. */
+ dec_pict->dec_str_ctx = dec_str_ctx;
+
+ /*
+ * Construct the transaction Id.
+ * This consists of stream and core number in addition to picture
+ * number in stream and a 4-bit value representing the picture number
+ * in core.
+ */
+ dec_pict->transaction_id =
+ CREATE_TRANSACTION_ID(0, dec_str_ctx->km_str_id, dec_core_ctx->cum_pics,
+ picture->pict_id);
+
+ /* Add picture to core decode list */
+ dec_str_ctx->dec_str_st.num_pict_decoding++;
+
+ /* Fake a FW message to process when decoded. */
+ dec_pict->first_fld_fwmsg = kzalloc(sizeof(*dec_pict->first_fld_fwmsg), GFP_KERNEL);
+ VDEC_ASSERT(dec_pict->first_fld_fwmsg);
+ if (!dec_pict->first_fld_fwmsg) {
+ ret = IMG_ERROR_OUT_OF_MEMORY;
+ goto error_fw_msg;
+ }
+
+ dec_pict->second_fld_fwmsg =
+ kzalloc(sizeof(*dec_pict->second_fld_fwmsg), GFP_KERNEL);
+ VDEC_ASSERT(dec_pict->second_fld_fwmsg);
+ if (!dec_pict->second_fld_fwmsg) {
+ ret = IMG_ERROR_OUT_OF_MEMORY;
+ goto error_fw_msg;
+ }
+
+ /* Add the segments to the Decode Picture */
+ ret = decoder_wrap_bitstr_segments(&str_unit->bstr_seg_list,
+ &dec_pict->dec_pict_seg_list,
+ dec_str_ctx->config.user_str_id);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error_segments;
+
+ /*
+ * Shuffle the current and previous
+ * Hold a reference to the last context on the FE
+ */
+ if (dec_str_ctx->prev_fe_pict_dec_res) {
+ /* Return previous last FW context. */
+ resource_item_return(&dec_str_ctx->prev_fe_pict_dec_res->ref_cnt);
+
+ if (resource_item_isavailable(&dec_str_ctx->prev_fe_pict_dec_res->ref_cnt)) {
+ resource_list_remove(&dec_str_ctx->dec_res_lst,
+ dec_str_ctx->prev_fe_pict_dec_res);
+
+ resource_list_add_img(&dec_str_ctx->dec_res_lst,
+ dec_str_ctx->prev_fe_pict_dec_res, 0,
+ &dec_str_ctx->prev_fe_pict_dec_res->ref_cnt);
+ }
+ }
+
+ dec_str_ctx->prev_fe_pict_dec_res = dec_str_ctx->cur_fe_pict_dec_res;
+ dec_pict->prev_pict_dec_res = dec_str_ctx->prev_fe_pict_dec_res;
+
+ /* Get a new stream decode resource bundle for current picture. */
+ dec_pict->cur_pict_dec_res = resource_list_get_avail(&dec_str_ctx->dec_res_lst);
+ VDEC_ASSERT(dec_pict->cur_pict_dec_res);
+ if (!dec_pict->cur_pict_dec_res) {
+ ret = IMG_ERROR_UNEXPECTED_STATE;
+ goto error_dec_res;
+ }
+
+ if (dec_str_ctx->config.vid_std == VDEC_STD_H264) {
+ /* Copy any SGM for current picture. */
+ if (str_unit->pict_hdr_info->pict_sgm_data.id !=
+ BSPP_INVALID) {
+ VDEC_ASSERT(str_unit->pict_hdr_info->pict_sgm_data.size <=
+ dec_pict->cur_pict_dec_res->h264_sgm_buf.buf_size);
+ /* Updated in translation_api */
+ memcpy(dec_pict->cur_pict_dec_res->h264_sgm_buf.cpu_virt,
+ str_unit->pict_hdr_info->pict_sgm_data.pic_data,
+ str_unit->pict_hdr_info->pict_sgm_data.size);
+ }
+ }
+
+ dec_pict->cur_pict_dec_res->transaction_id = dec_pict->transaction_id;
+ dec_str_ctx->cur_fe_pict_dec_res = dec_pict->cur_pict_dec_res;
+ resource_item_use(&dec_str_ctx->cur_fe_pict_dec_res->ref_cnt);
+
+ /* Get a new control buffer */
+ dec_pict->pict_ref_res =
+ resource_list_get_avail(&dec_str_ctx->ref_res_lst);
+ VDEC_ASSERT(dec_pict->pict_ref_res);
+ if (!dec_pict->pict_ref_res) {
+ ret = IMG_ERROR_UNEXPECTED_STATE;
+ goto error_ref_res;
+ }
+
+ VDEC_ASSERT(dec_str_ctx->decctx);
+ VDEC_ASSERT(dec_str_ctx->decctx->dev_cfg);
+
+ dec_pict->str_pvdec_fw_ctxbuf = &dec_str_ctx->pvdec_fw_ctx_buf;
+ dec_pict->pict_hdr_info = str_unit->pict_hdr_info;
+
+ /* Obtain (core) resources for the picture */
+ ret = dec_res_picture_attach(&dec_str_ctx->resources,
+ dec_str_ctx->config.vid_std, dec_pict);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error_res_attach;
+
+ /* Clear fw context data for re-use */
+ memset(dec_pict->cur_pict_dec_res->fw_ctx_buf.cpu_virt, 0,
+ dec_pict->cur_pict_dec_res->fw_ctx_buf.buf_size);
+
+ /*
+ * Clear the control data in case the picture is discarded before
+ * being prepared by firmware.
+ */
+ memset(dec_pict->pict_ref_res->fw_ctrlbuf.cpu_virt, 0,
+ dec_pict->pict_ref_res->fw_ctrlbuf.buf_size);
+
+ ret = hwctrl_getregsoffset(dec_core_ctx->hw_ctx, &regs_offsets);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error_other;
+
+ ret = translation_ctrl_alloc_prepare(&dec_str_ctx->config, str_unit,
+ dec_pict,
+ &dec_core_ctx->core_props,
+ &regs_offsets);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error_other;
+
+ ret = hwctrl_picture_submitbatch(dec_core_ctx->hw_ctx, dec_pict,
+ dec_str_ctx->vxd_dec_ctx);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error_other;
+
+ VDEC_ASSERT(dec_str_ctx->avail_slots > 0);
+ dec_str_ctx->avail_slots--;
+
+ VDEC_ASSERT(!dec_core_ctx->busy);
+ dec_core_ctx->busy = TRUE;
+ /* Store this transaction ID in stream context */
+ dec_str_ctx->last_fe_transaction_id = dec_pict->transaction_id;
+ dec_str_ctx->cur_pict = (struct dec_decpict *)dec_pict;
+
+ dec_str_ctx->dec_str_st.features = str_unit->features;
+
+ if (str_unit->eop)
+ dec_pict->eop_found = TRUE;
+
+ *dec_pict_ptr = dec_pict;
+
+ return IMG_SUCCESS;
+
+ /* Roll back in case of errors. */
+error_other:
+ dec_res_picture_detach(&dec_str_ctx->resources, dec_pict);
+error_res_attach:
+error_ref_res:
+error_dec_res:
+error_segments:
+ decoder_clean_bitstr_segments(&dec_pict->dec_pict_seg_list);
+ kfree(dec_pict->first_fld_fwmsg);
+ kfree(dec_pict->second_fld_fwmsg);
+error_fw_msg:
+ kfree(dec_pict);
+error_dec_pict:
+ kfree(picture->dec_pict_info);
+
+ return ret;
+}
+
+/*
+ * @Function decoder_stream_reference_resource_create
+ */
+static int
+decoder_stream_reference_resource_create(struct dec_str_ctx *dec_str_ctx)
+{
+ struct dec_pictref_res *pict_ref_res;
+ int ret;
+ unsigned int mem_heap_id;
+ enum sys_emem_attrib mem_attribs;
+
+ if (!dec_str_ctx || !dec_str_ctx->decctx) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+ mem_heap_id = dec_str_ctx->decctx->internal_heap_id;
+ mem_attribs = (enum sys_emem_attrib)(SYS_MEMATTRIB_UNCACHED | SYS_MEMATTRIB_WRITECOMBINE);
+ mem_attribs |= (enum sys_emem_attrib)SYS_MEMATTRIB_INTERNAL;
+
+ /* Allocate the firmware context buffer info structure. */
+ pict_ref_res = kzalloc(sizeof(*pict_ref_res), GFP_KERNEL);
+ VDEC_ASSERT(pict_ref_res);
+ if (!pict_ref_res)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ /*
+ * Allocate the firmware context buffer to contain data required for
+ * subsequent picture.
+ */
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("%s:%d calling MMU_StreamMalloc", __func__, __LINE__);
+#endif
+ ret = mmu_stream_alloc(dec_str_ctx->mmu_str_handle, MMU_HEAP_STREAM_BUFFERS, mem_heap_id,
+ (enum sys_emem_attrib)(mem_attribs | SYS_MEMATTRIB_CPU_READ |
+ SYS_MEMATTRIB_CPU_WRITE),
+ sizeof(struct vdecfw_buffer_control),
+ DEV_MMU_PAGE_ALIGNMENT,
+ &pict_ref_res->fw_ctrlbuf);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto err_out_of_memory;
+
+ /*
+ * Clear the context data in preparation for first time use by
+ * the firmware.
+ */
+ memset(pict_ref_res->fw_ctrlbuf.cpu_virt, 0, pict_ref_res->fw_ctrlbuf.buf_size);
+
+ pict_ref_res->ref_cnt = 1;
+
+ ret = resource_list_add_img(&dec_str_ctx->ref_res_lst, pict_ref_res, 0,
+ &pict_ref_res->ref_cnt);
+ if (ret != IMG_SUCCESS) {
+ pr_err("[USERSID=0x%08X] Failed to add resource", dec_str_ctx->config.user_str_id);
+ return ret;
+ }
+
+ return IMG_SUCCESS;
+
+err_out_of_memory:
+
+ kfree(pict_ref_res);
+ pict_ref_res = NULL;
+
+ pr_err("[USERSID=0x%08X] Failed to allocate device memory for stream reference resources",
+ dec_str_ctx->config.user_str_id);
+
+ return IMG_ERROR_OUT_OF_MEMORY;
+}
+
+/*
+ * @Function decoder_picture_finalize
+ */
+static int decoder_picture_finalize(struct dec_str_ctx *dec_str_ctx,
+ struct vdecdd_str_unit *str_unit)
+{
+ struct dec_decpict *dec_pict;
+ struct dec_core_ctx *dec_core_ctx = NULL;
+
+ VDEC_ASSERT(dec_str_ctx);
+
+ dec_pict = dec_str_ctx->cur_pict;
+ if (!dec_pict) {
+ pr_err("[USERSID=0x%08X] Unable to get the current picture from Decoder context",
+ dec_str_ctx->config.user_str_id);
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+
+ dec_core_ctx = decoder_str_ctx_to_core_ctx(dec_str_ctx);
+
+ if (!dec_core_ctx || !dec_core_ctx->busy) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+ dec_core_ctx->busy = FALSE;
+
+ /* Picture data are now complete, nullify pointer */
+ dec_str_ctx->cur_pict = NULL;
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_submit_fragment
+ */
+static int decoder_submit_fragment(struct dec_str_ctx *dec_str_context,
+ struct vdecdd_str_unit *str_unit,
+ unsigned char eop)
+{
+ struct dec_core_ctx *dec_core_context = NULL;
+ struct lst_t dec_fragment_seg_list;
+ struct dec_decpict_seg *dec_pict_seg;
+ struct dec_pict_fragment *pict_fragment;
+ int ret = IMG_SUCCESS;
+
+ if (!dec_str_context) {
+ VDEC_ASSERT(0);
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+
+ if (!dec_str_context->cur_pict) {
+ pr_err("[USERSID=0x%08X] Unable to get the current picture from Decoder context",
+ dec_str_context->config.user_str_id);
+ VDEC_ASSERT(0);
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+
+ dec_core_context = decoder_str_ctx_to_core_ctx(dec_str_context);
+ if (!dec_core_context) {
+ VDEC_ASSERT(0);
+ return IMG_ERROR_GENERIC_FAILURE;
+ }
+
+ pict_fragment = kzalloc(sizeof(*pict_fragment), GFP_KERNEL);
+ VDEC_ASSERT(pict_fragment);
+ if (!pict_fragment)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ lst_init(&dec_fragment_seg_list);
+
+ /* Add the segments to the temporary list */
+ ret = decoder_wrap_bitstr_segments(&str_unit->bstr_seg_list,
+ &dec_fragment_seg_list,
+ dec_str_context->config.user_str_id);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /* Prepare ctr alloc for the fragment */
+ ret = translation_fragment_prepare(dec_str_context->cur_pict,
+ &dec_fragment_seg_list, eop,
+ pict_fragment);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ /*
+ * Move segments of the fragment from the temporary list to the picture
+ * segment list
+ */
+ dec_pict_seg = lst_removehead(&dec_fragment_seg_list);
+ while (dec_pict_seg) {
+ lst_add(&dec_str_context->cur_pict->dec_pict_seg_list,
+ dec_pict_seg);
+ dec_pict_seg = lst_removehead(&dec_fragment_seg_list);
+ }
+
+ /* Submit fragment */
+ ret = hwctrl_picture_submit_fragment(dec_core_context->hw_ctx,
+ pict_fragment,
+ dec_str_context->cur_pict,
+ dec_str_context->vxd_dec_ctx);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ goto error;
+
+ lst_add(&dec_str_context->cur_pict->fragment_list, pict_fragment);
+
+ if (eop)
+ dec_str_context->cur_pict->eop_found = TRUE;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] FRAGMENT",
+ dec_str_context->config.user_str_id,
+ dec_str_context->last_fe_transaction_id);
+#endif
+
+ return IMG_SUCCESS;
+error:
+ kfree(pict_fragment);
+
+ return ret;
+}
+
+/*
+ * @Function decoder_stream_process_unit
+ */
+int decoder_stream_process_unit(void *dec_str_ctx_arg,
+ struct vdecdd_str_unit *str_unit)
+{
+ struct dec_str_ctx *dec_str_ctx =
+ decoder_stream_get_context(dec_str_ctx_arg);
+
+ struct dec_str_unit *dec_str_unit;
+ struct dec_decpict *dec_pict = NULL;
+ unsigned char processed = FALSE;
+ int ret;
+
+ VDEC_ASSERT(dec_str_ctx);
+ VDEC_ASSERT(str_unit);
+
+ if (!dec_str_ctx || !str_unit) {
+ pr_err("Invalid decoder stream context handle!\n");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+ pr_debug("%s : stream unit type = %d\n"
+ , __func__, str_unit->str_unit_type);
+ /* Process the stream unit */
+ switch (str_unit->str_unit_type) {
+ case VDECDD_STRUNIT_SEQUENCE_END:
+ case VDECDD_STRUNIT_ANONYMOUS:
+ case VDECDD_STRUNIT_CLOSED_GOP:
+ case VDECDD_STRUNIT_PICTURE_PORTENT:
+ case VDECDD_STRUNIT_FENCE:
+ /* Nothing more to do so mark the stream unit as processed */
+ processed = TRUE;
+ break;
+
+ case VDECDD_STRUNIT_STOP:
+ if (dec_str_ctx->cur_pict && !dec_str_ctx->cur_pict->eop_found) {
+ ret = decoder_submit_fragment(dec_str_ctx, str_unit, TRUE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ ret = decoder_picture_finalize(dec_str_ctx, str_unit);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] FORCED END",
+ dec_str_ctx->config.user_str_id,
+ dec_str_ctx->last_fe_transaction_id);
+#endif
+ }
+
+ processed = TRUE;
+ break;
+
+ case VDECDD_STRUNIT_SEQUENCE_START:
+ {
+ unsigned int max_num_activ_pict = 0;
+
+ VDEC_ASSERT(str_unit->seq_hdr_info);
+ /*
+ * Determine how many decoded pictures can be held for
+ * reference in the decoder for this stream.
+ */
+ ret = vdecddutils_ref_pict_get_maxnum(&dec_str_ctx->config,
+ &str_unit->seq_hdr_info->com_sequ_hdr_info,
+ &max_num_activ_pict);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ /* Double for field coding */
+ max_num_activ_pict *= 2;
+
+ /*
+ * Ensure that there are enough resource to have pictures
+ * filling all slots on all cores.
+ */
+ max_num_activ_pict +=
+ dec_str_ctx->decctx->dev_cfg->num_slots_per_pipe *
+ dec_str_ctx->decctx->num_pipes;
+
+ /* Increase decoder stream resources if necessary. */
+ while (dec_str_ctx->num_ref_res < max_num_activ_pict) {
+ ret = decoder_stream_reference_resource_create(dec_str_ctx);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dec_str_ctx->num_ref_res++;
+ }
+
+ /* Nothing more to do so mark the stream unit as processed */
+ processed = TRUE;
+ break;
+ }
+
+ case VDECDD_STRUNIT_PICTURE_START:
+ if (str_unit->decode) {
+ /* Prepare and submit picture to decode. */
+ ret = decoder_picture_decode(dec_str_ctx, str_unit, &dec_pict);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] START",
+ dec_str_ctx->config.user_str_id,
+ dec_str_ctx->last_fe_transaction_id);
+#endif
+ } else {
+ processed = TRUE;
+ }
+ break;
+
+ case VDECDD_STRUNIT_PICTURE_END:
+ if (str_unit->decode) {
+ ret = decoder_picture_finalize(dec_str_ctx, str_unit);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] END",
+ dec_str_ctx->config.user_str_id,
+ dec_str_ctx->last_fe_transaction_id);
+#endif
+ } else {
+ processed = TRUE;
+ }
+ break;
+
+ default:
+ VDEC_ASSERT(FALSE);
+ break;
+ }
+
+ /*
+ * If this or any preceding stream unit(s) could not be
+ * completely processed, add this unit to the queue.
+ */
+ if (!processed) {
+ /* Add unit to stream decode list */
+ dec_str_unit = kzalloc(sizeof(*dec_str_unit), GFP_KERNEL);
+ VDEC_ASSERT(dec_str_unit);
+ if (!dec_str_unit)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ dec_str_unit->str_unit = str_unit;
+
+ /* make PICTURE_START owner of dec_pict */
+ if (dec_pict) {
+ VDEC_ASSERT(str_unit->str_unit_type == VDECDD_STRUNIT_PICTURE_START);
+ dec_str_unit->dec_pict = dec_pict;
+ }
+
+ lst_add(&dec_str_ctx->pend_strunit_list, dec_str_unit);
+ } else {
+ /*
+ * If there is nothing being decoded for this stream,
+ * immediately handle the unit (non-picture so doesn't need
+ * decoding). Report that this unit has been processed.
+ */
+ VDEC_ASSERT(dec_str_ctx->decctx);
+ ret = dec_str_ctx->str_processed_cb(dec_str_ctx->usr_int_data,
+ VXD_CB_STRUNIT_PROCESSED,
+ str_unit);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ return IMG_SUCCESS;
+}
+
+static int
+decoder_get_required_core_features(const struct vdec_str_configdata *str_cfg,
+ const struct vdec_str_opconfig *op_cfg,
+ unsigned int *features)
+{
+ unsigned int features_local = 0;
+
+ VDEC_ASSERT(str_cfg);
+ VDEC_ASSERT(features);
+
+ /* Check Video Standard. */
+ switch (str_cfg->vid_std) {
+ case VDEC_STD_H264:
+ features_local = VDECDD_COREFEATURE_H264;
+ break;
+#ifdef HAS_JPEG
+ case VDEC_STD_JPEG:
+ features_local = VDECDD_COREFEATURE_JPEG;
+ break;
+#endif
+#ifdef HAS_HEVC
+ case VDEC_STD_HEVC:
+ features_local = VDECDD_COREFEATURE_HEVC;
+ break;
+#endif
+ default:
+ VDEC_ASSERT(FALSE);
+ break;
+ }
+
+ *features = features_local;
+
+ return IMG_SUCCESS;
+}
+
+/*
+ * @Function decoder_is_supported_by_atleast_onepipe
+ */
+static unsigned char decoder_is_supported_by_atleast_onepipe(unsigned char *features,
+ unsigned int num_pipes)
+{
+ unsigned int i;
+
+ VDEC_ASSERT(features);
+ VDEC_ASSERT(num_pipes <= VDEC_MAX_PIXEL_PIPES);
+
+ for (i = 0; i < num_pipes; i++) {
+ if (features[i])
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/*
+ * @Function decoder_check_support
+ */
+int decoder_check_support(void *dec_ctx_arg,
+ const struct vdec_str_configdata *str_cfg,
+ const struct vdec_str_opconfig *str_op_cfg,
+ const struct vdecdd_ddpict_buf *disp_pict_buf,
+ const struct vdec_pict_rendinfo *req_pict_rendinfo,
+ const struct vdec_comsequ_hdrinfo *comseq_hdrinfo,
+ const struct bspp_pict_hdr_info *pict_hdrinfo,
+ const struct vdec_comsequ_hdrinfo *prev_comseq_hdrinfo,
+ const struct bspp_pict_hdr_info *prev_pict_hdrinfo,
+ unsigned char non_cfg_req,
+ struct vdec_unsupp_flags *unsupported,
+ unsigned int *features)
+{
+ struct dec_ctx *dec_ctx = (struct dec_ctx *)dec_ctx_arg;
+ struct dec_core_ctx *dec_core_ctx;
+ struct vxd_coreprops *core_props;
+ const struct vdec_pict_rendinfo *disp_pict_rendinfo = NULL;
+ int ret = IMG_ERROR_NOT_SUPPORTED;
+
+ /* Ensure input parameters are valid. */
+ VDEC_ASSERT(dec_ctx_arg);
+ VDEC_ASSERT(str_cfg);
+ VDEC_ASSERT(unsupported);
+
+ if (!dec_ctx_arg || !str_cfg || !unsupported) {
+ pr_err("Invalid parameters!");
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ if (disp_pict_buf)
+ disp_pict_rendinfo = &disp_pict_buf->rend_info;
+
+ /*
+ * Validate compatibility between the supplied configuration/state
+ * and the master core only at the moment (assumed to have superset
+ * of features).
+ * Some features may not be present on any slave cores which might
+ * cause poor utilisation of hardware.
+ */
+ memset(unsupported, 0, sizeof(*unsupported));
+
+ dec_core_ctx = dec_ctx->dec_core_ctx;
+ VDEC_ASSERT(dec_core_ctx);
+
+ core_props = &dec_core_ctx->core_props;
+ VDEC_ASSERT(core_props);
+
+ /* Check that the video standard is supported */
+ switch (str_cfg->vid_std) {
+ case VDEC_STD_H264:
+ if (!decoder_is_supported_by_atleast_onepipe(core_props->h264,
+ core_props->num_pixel_pipes)) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: VIDEO STANDARD (H.264)",
+ str_cfg->user_str_id);
+ unsupported->str_cfg |=
+ VDECDD_UNSUPPORTED_STRCONFIG_STD;
+ }
+
+ if (comseq_hdrinfo && (H264_PROFILE_MVC_HIGH ==
+ comseq_hdrinfo->codec_profile || H264_PROFILE_MVC_STEREO ==
+ comseq_hdrinfo->codec_profile) && comseq_hdrinfo->num_views >
+ VDEC_H264_MVC_MAX_VIEWS) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[SW]: NUMBER OF VIEWS",
+ str_cfg->user_str_id);
+ unsupported->seq_hdr |= VDECDD_UNSUPPORTED_SEQUHDR_NUM_OF_VIEWS;
+ }
+ break;
+#ifdef HAS_HEVC
+ case VDEC_STD_HEVC:
+ if (!decoder_is_supported_by_atleast_onepipe(core_props->hevc,
+ core_props->num_pixel_pipes)) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: VIDEO STANDARD (HEVC)",
+ str_cfg->user_str_id);
+ unsupported->str_cfg |= VDECDD_UNSUPPORTED_STRCONFIG_STD;
+ }
+ if (pict_hdrinfo && pict_hdrinfo->hevc_pict_hdr_info.range_ext_present)
+ if ((pict_hdrinfo->hevc_pict_hdr_info.is_full_range_ext &&
+ !decoder_is_supported_by_atleast_onepipe(core_props->hevc_range_ext,
+ core_props->num_pixel_pipes)) ||
+ (!pict_hdrinfo->hevc_pict_hdr_info.is_full_range_ext &&
+ core_props->vidstd_props[str_cfg->vid_std].max_chroma_format ==
+ PIXEL_FORMAT_420)) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: HEVC RANGE EXTENSIONS",
+ str_cfg->user_str_id);
+ unsupported->pict_hdr |= VDECDD_UNSUPPORTED_PICTHDR_HEVC_RANGE_EXT;
+ }
+ break;
+#endif
+#ifdef HAS_JPEG
+ case VDEC_STD_JPEG:
+ if (!decoder_is_supported_by_atleast_onepipe(core_props->jpeg,
+ core_props->num_pixel_pipes)) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: VIDEO STANDARD (JPEG)",
+ str_cfg->user_str_id);
+ unsupported->str_cfg |=
+ VDECDD_UNSUPPORTED_STRCONFIG_STD;
+ }
+ break;
+#endif
+ default:
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: VIDEO STANDARD (UNKNOWN)",
+ str_cfg->user_str_id);
+ unsupported->str_cfg |=
+ VDECDD_UNSUPPORTED_STRCONFIG_STD;
+ break;
+ }
+
+ if (str_op_cfg) {
+ /*
+ * Ensure that each display feature is supported by the
+ * hardware.
+ */
+ if (comseq_hdrinfo) {
+ /* Validate display pixel format */
+ if (non_cfg_req && prev_comseq_hdrinfo &&
+ vdec_size_nz(prev_comseq_hdrinfo->frame_size) &&
+ prev_comseq_hdrinfo->pixel_info.chroma_fmt_idc ==
+ str_op_cfg->pixel_info.chroma_fmt_idc &&
+ comseq_hdrinfo->pixel_info.chroma_fmt_idc !=
+ prev_comseq_hdrinfo->pixel_info.chroma_fmt_idc) {
+ /*
+ * If this is a non-configuration request and
+ * it looks like a new sequence with
+ * sub-sampling change, just indicate output
+ * format mismatch without any error messages.
+ */
+ unsupported->str_opcfg |= VDECDD_UNSUPPORTED_OUTPUTCONFIG_PIXFORMAT;
+ } else {
+ switch (str_op_cfg->pixel_info.chroma_fmt_idc) {
+ case PIXEL_FORMAT_420:
+ if (comseq_hdrinfo->pixel_info.chroma_fmt_idc ==
+ PIXEL_FORMAT_MONO) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: TRANSFORM PIXEL FORMAT FROM 400 TO 420",
+ str_cfg->user_str_id);
+ unsupported->str_opcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTCONFIG_PIXFORMAT;
+ }
+ break;
+
+ case PIXEL_FORMAT_422:
+ if (comseq_hdrinfo->pixel_info.chroma_fmt_idc ==
+ PIXEL_FORMAT_420 &&
+ str_op_cfg->pixel_info.num_planes > 1) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: REQUESTED NUMBER OF PLANES FOR 422 UPSAMPLING",
+ str_cfg->user_str_id);
+ unsupported->str_opcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTCONFIG_PIXFORMAT;
+ } else if (comseq_hdrinfo->pixel_info.chroma_fmt_idc ==
+ PIXEL_FORMAT_MONO) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: TRANSFORM PIXEL FORMAT FROM 400 TO 422",
+ str_cfg->user_str_id);
+ unsupported->str_opcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTCONFIG_PIXFORMAT;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+ }
+
+ if (str_op_cfg->pixel_info.bitdepth_y >
+ core_props->vidstd_props[str_cfg->vid_std].max_luma_bitdepth ||
+ str_op_cfg->pixel_info.bitdepth_y < 8 ||
+ str_op_cfg->pixel_info.bitdepth_y == 9) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: DISPLAY PICTURE LUMA BIT DEPTH %d [RANGE: 8->%d for %s]",
+ str_cfg->user_str_id,
+ str_op_cfg->pixel_info.bitdepth_y,
+ core_props->vidstd_props[str_cfg->vid_std].max_luma_bitdepth,
+ vid_std_names[str_cfg->vid_std]);
+ unsupported->str_opcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTCONFIG_PIXFORMAT;
+ }
+
+ if (str_op_cfg->pixel_info.chroma_fmt_idc !=
+ PIXEL_FORMAT_MONO &&
+ (str_op_cfg->pixel_info.bitdepth_c >
+ core_props->vidstd_props[str_cfg->vid_std].max_chroma_bitdepth ||
+ str_op_cfg->pixel_info.bitdepth_c < 8 ||
+ str_op_cfg->pixel_info.bitdepth_c == 9)) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: DISPLAY PICTURE CHROMA BIT DEPTH %d [RANGE: 8->%d for %s]",
+ str_cfg->user_str_id,
+ str_op_cfg->pixel_info.bitdepth_c,
+ core_props->vidstd_props[str_cfg->vid_std].max_chroma_bitdepth,
+ vid_std_names[str_cfg->vid_std]);
+ unsupported->str_opcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTCONFIG_PIXFORMAT;
+ }
+
+#ifdef HAS_JPEG
+ /* Validate display configuration against existing stream configuration.*/
+ if (str_cfg->vid_std == VDEC_STD_JPEG) {
+ if (str_op_cfg->force_oold) {
+ pr_err("[USERSID=0x%08X] UNSUPPORTED[HW]: OOLD WITH JPEG\n",
+ str_cfg->user_str_id);
+ unsupported->str_opcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTCONFIG_X_WITH_JPEG;
+ }
+ }
+#endif
+ }
+
+ if (disp_pict_rendinfo) {
+ unsigned int stride_alignment = VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT;
+
+ if (req_pict_rendinfo) {
+ /*
+ * Picture size declared in buffer must be at least as
+ * large as that required by bitstream/output config.
+ */
+ if (!vdec_size_ge(disp_pict_rendinfo->rend_pict_size,
+ req_pict_rendinfo->rend_pict_size)) {
+ pr_warn("[USERSID=0x%08X] Picture size of output picture buffer [%d x %d] is not large enough for sequence [%d x %d]",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->rend_pict_size.width,
+ disp_pict_rendinfo->rend_pict_size.height,
+ req_pict_rendinfo->rend_pict_size.width,
+ req_pict_rendinfo->rend_pict_size.height);
+ unsupported->str_opcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_PICTURE_SIZE;
+ }
+
+ /*
+ * Size of each plane must be at least as large
+ * as that required.
+ */
+ if (disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].size <
+ req_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].size) {
+ pr_warn("[USERSID=0x%08X] Y plane of output picture buffer [%d bytes] is not large enough for bitstream/config [%d bytes]",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].size,
+ req_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].size);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_Y_SIZE;
+ }
+
+ /*
+ * Stride of each plane must be at least as large as that
+ * required.
+ */
+ if (disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].stride <
+ req_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].stride) {
+ pr_warn("[USERSID=0x%08X] Y stride of output picture buffer [%d bytes] is not large enough for bitstream/config [%d bytes]",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].stride,
+ req_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].stride);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_Y_STRIDE;
+ }
+
+ /*
+ * Size of each plane must be at least
+ * as large as that required.
+ */
+ if (disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].size <
+ req_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].size) {
+ pr_warn("[USERSID=0x%08X] UV plane of output picture buffer [%d bytes] is not large enough for bitstream/config [%d bytes]",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].size,
+ req_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].size);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_UV_SIZE;
+ }
+
+ /*
+ * Stride of each plane must be at least
+ * as large as that required.
+ */
+ if (disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].stride <
+ req_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].stride) {
+ pr_warn("[USERSID=0x%08X] UV stride of output picture buffer [%d bytes] is not large enough for bitstream/config [%d bytes]",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].stride,
+ req_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].stride);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_UV_STRIDE;
+ }
+
+ if ((req_pict_rendinfo->stride_alignment &
+ (VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT - 1)) != 0) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: STRIDE ALIGNMENT [%d] must be a multiple of %d bytes",
+ str_cfg->user_str_id,
+ req_pict_rendinfo->stride_alignment,
+ VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_64BYTE_STRIDE;
+ }
+
+ if (req_pict_rendinfo->stride_alignment > 0)
+ stride_alignment = req_pict_rendinfo->stride_alignment;
+ }
+
+ if ((disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].stride %
+ stride_alignment) != 0) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: Y STRIDE [%d] must be a multiple of %d bytes",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_Y].stride,
+ stride_alignment);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_64BYTE_STRIDE;
+ }
+
+ if ((disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].stride %
+ stride_alignment) != 0) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: UV STRIDE [%d] must be a multiple of %d bytes",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_UV].stride,
+ stride_alignment);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_64BYTE_STRIDE;
+ }
+
+ if ((disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_V].stride %
+ stride_alignment) != 0) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: V STRIDE [%d] must be a multiple of %d bytes",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->plane_info[VDEC_PLANE_VIDEO_V].stride,
+ stride_alignment);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_64BYTE_STRIDE;
+ }
+
+ if (req_pict_rendinfo) {
+ if (str_op_cfg) {
+ if (str_cfg->vid_std != VDEC_STD_JPEG) {
+ if (str_op_cfg->pixel_info.num_planes <= 2)
+ /*
+ * V plane only required when chroma is
+ * separated.
+ */
+ VDEC_ASSERT(req_pict_rendinfo->plane_info
+ [VDEC_PLANE_VIDEO_V].size == 0);
+
+ if (str_op_cfg->pixel_info.num_planes <= 3)
+ /* Alpha planes should not be required. */
+ VDEC_ASSERT(req_pict_rendinfo->plane_info
+ [VDEC_PLANE_VIDEO_A].size == 0);
+ }
+ }
+
+ /* Size of buffer must be at least as large as that required. */
+ if (disp_pict_rendinfo->rendered_size <
+ req_pict_rendinfo->rendered_size) {
+ pr_warn("[USERSID=0x%08X] Output picture buffer [%d bytes] is not large enough for bitstream/config [%d bytes]",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->rendered_size,
+ req_pict_rendinfo->rendered_size);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_BUFFER_SIZE;
+ }
+ }
+
+ if (str_op_cfg) {
+ if (comseq_hdrinfo) {
+ if (vdec_size_lt(disp_pict_rendinfo->rend_pict_size,
+ comseq_hdrinfo->max_frame_size)) {
+ pr_warn("[USERSID=0x%08X] Buffers [%d x %d] must be large enough to contain the maximum frame size [%d x %d] when not scaling",
+ str_cfg->user_str_id,
+ disp_pict_rendinfo->rend_pict_size.width,
+ disp_pict_rendinfo->rend_pict_size.height,
+ comseq_hdrinfo->max_frame_size.width,
+ comseq_hdrinfo->max_frame_size.height);
+ unsupported->op_bufcfg |=
+ VDECDD_UNSUPPORTED_OUTPUTBUFCONFIG_PICTURE_SIZE;
+ }
+ }
+ }
+ }
+
+ if (comseq_hdrinfo) {
+ unsigned int max_width =
+ vdec_size_min(core_props->vidstd_props[str_cfg->vid_std].max_width,
+ MAX_PLATFORM_SUPPORTED_WIDTH);
+
+ unsigned int max_height =
+ vdec_size_min(core_props->vidstd_props[str_cfg->vid_std].max_height,
+ MAX_PLATFORM_SUPPORTED_HEIGHT);
+
+ if (comseq_hdrinfo->max_frame_size.width > max_width ||
+ comseq_hdrinfo->max_frame_size.height > max_height) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: FRAME WIDTH %dpx or HEIGHT %dpx are over maximum allowed value [%d, %d]",
+ str_cfg->user_str_id,
+ comseq_hdrinfo->max_frame_size.width,
+ comseq_hdrinfo->max_frame_size.height,
+ max_width, max_height);
+ unsupported->seq_hdr |=
+ VDECDD_UNSUPPORTED_SEQUHDR_SIZE;
+ }
+
+ if (comseq_hdrinfo->pixel_info.bitdepth_y >
+ core_props->vidstd_props[str_cfg->vid_std].max_luma_bitdepth ||
+ comseq_hdrinfo->pixel_info.bitdepth_y < 8 ||
+ comseq_hdrinfo->pixel_info.bitdepth_y == 9) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: CODED PICTURE LUMA BIT DEPTH %d [RANGE: 8->%d for %s]",
+ str_cfg->user_str_id,
+ comseq_hdrinfo->pixel_info.bitdepth_y,
+ core_props->vidstd_props[str_cfg->vid_std].max_luma_bitdepth,
+ vid_std_names[str_cfg->vid_std]);
+ unsupported->seq_hdr |=
+ VDECDD_UNSUPPORTED_SEQUHDR_PIXFORMAT_BIT_DEPTH;
+ }
+
+ if (comseq_hdrinfo->pixel_info.chroma_fmt_idc !=
+ PIXEL_FORMAT_MONO &&
+ (comseq_hdrinfo->pixel_info.bitdepth_c >
+ core_props->vidstd_props[str_cfg->vid_std].max_chroma_bitdepth ||
+ comseq_hdrinfo->pixel_info.bitdepth_c < 8 ||
+ comseq_hdrinfo->pixel_info.bitdepth_c == 9)) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: CODED PICTURE CHROMA BIT DEPTH %d [RANGE: 8->%d for %s]",
+ str_cfg->user_str_id,
+ comseq_hdrinfo->pixel_info.bitdepth_c,
+ core_props->vidstd_props[str_cfg->vid_std].max_chroma_bitdepth,
+ vid_std_names[str_cfg->vid_std]);
+ unsupported->seq_hdr |=
+ VDECDD_UNSUPPORTED_SEQUHDR_PIXFORMAT_BIT_DEPTH;
+ }
+
+ if (comseq_hdrinfo->pixel_info.chroma_fmt_idc !=
+ PIXEL_FORMAT_MONO &&
+ comseq_hdrinfo->pixel_info.bitdepth_y !=
+ comseq_hdrinfo->pixel_info.bitdepth_c) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: CODED PICTURE MIXED BIT DEPTH [%d vs %d]",
+ str_cfg->user_str_id,
+ comseq_hdrinfo->pixel_info.bitdepth_y,
+ comseq_hdrinfo->pixel_info.bitdepth_c);
+ unsupported->seq_hdr |=
+ VDECDD_UNSUPPORTED_SEQUHDR_PIXFORMAT_BIT_DEPTH;
+ }
+
+ if (comseq_hdrinfo->pixel_info.chroma_fmt_idc >
+ core_props->vidstd_props[str_cfg->vid_std].max_chroma_format) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: CODED PIXEL FORMAT IDC %s [for %s]",
+ str_cfg->user_str_id,
+ comseq_hdrinfo->pixel_info.chroma_fmt_idc <
+ ARRAY_SIZE
+ (pix_fmt_idc_names) ? (unsigned char *)
+ pix_fmt_idc_names[comseq_hdrinfo->pixel_info.chroma_fmt_idc] :
+ (unsigned char *)"Invalid",
+ vid_std_names[str_cfg->vid_std]);
+ unsupported->seq_hdr |=
+ VDECDD_UNSUPPORTED_SEQUHDR_PIXEL_FORMAT;
+ }
+
+ if (comseq_hdrinfo->pixel_info.chroma_fmt_idc ==
+ PIXEL_FORMAT_INVALID) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[SW]: UNKNOWN CODED PIXEL FORMAT",
+ str_cfg->user_str_id);
+ unsupported->seq_hdr |=
+ VDECDD_UNSUPPORTED_SEQUHDR_PIXEL_FORMAT;
+ }
+ }
+
+ if (pict_hdrinfo && comseq_hdrinfo) {
+ unsigned int coded_cmd_width;
+ unsigned int coded_cmd_height;
+ unsigned int min_width = core_props->vidstd_props[str_cfg->vid_std].min_width;
+ unsigned int min_height =
+ ALIGN(core_props->vidstd_props[str_cfg->vid_std].min_height,
+ (pict_hdrinfo->field) ?
+ 2 * VDEC_MB_DIMENSION : VDEC_MB_DIMENSION);
+ unsigned int pict_size_in_mbs;
+ unsigned int max_height = core_props->vidstd_props[str_cfg->vid_std].max_height;
+ unsigned int max_width = core_props->vidstd_props[str_cfg->vid_std].max_width;
+ unsigned int max_mbs = core_props->vidstd_props[str_cfg->vid_std].max_macroblocks;
+
+#ifdef HAS_JPEG
+ /* For JPEG, max picture size of four plane images is 16k*16k. */
+ if (str_cfg->vid_std == VDEC_STD_JPEG) {
+ if (comseq_hdrinfo->pixel_info.num_planes >= 4) {
+ max_width = (max_width > 16 * 1024) ? 16 * 1024 : max_width;
+ max_height = (max_height > 16 * 1024) ? 16 * 1024 : max_height;
+ }
+ }
+#endif
+
+ coded_cmd_width =
+ ALIGN(pict_hdrinfo->coded_frame_size.width, VDEC_MB_DIMENSION);
+ coded_cmd_height =
+ ALIGN(pict_hdrinfo->coded_frame_size.height,
+ pict_hdrinfo->field ?
+ 2 * VDEC_MB_DIMENSION : VDEC_MB_DIMENSION);
+
+ pict_size_in_mbs = (coded_cmd_width * coded_cmd_height) /
+ (VDEC_MB_DIMENSION * VDEC_MB_DIMENSION);
+
+ if ((str_cfg->vid_std == VDEC_STD_H264 &&
+ max_mbs && pict_size_in_mbs > max_mbs) ||
+ coded_cmd_width > max_width ||
+ coded_cmd_height > max_height) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: CODED PICTURE SIZE %d x %d [MAX: %d x %d or %d MBs]",
+ str_cfg->user_str_id,
+ coded_cmd_width, coded_cmd_height,
+ max_width, max_height, max_mbs);
+ unsupported->pict_hdr |= VDECDD_UNSUPPORTED_PICTHDR_RESOLUTION;
+ }
+
+ if (pict_hdrinfo->coded_frame_size.width < min_width ||
+ pict_hdrinfo->coded_frame_size.height < min_height) {
+#ifdef USE_STRICT_MIN_PIC_SIZE_CHECK
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: CODED PICTURE SIZE %d x %d [MIN: %d x %d]",
+ str_cfg->user_str_id,
+ pict_hdrinfo->coded_frame_size.width,
+ pict_hdrinfo->coded_frame_size.height,
+ min_width, min_height);
+ unsupported->pict_hdr |= VDECDD_UNSUPPORTED_PICTHDR_RESOLUTION;
+#else /* ndef USE_STRICT_MIN_PIC_SIZE_CHECK */
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: CODED PICTURE SIZE %d x %d [MIN: %d x %d]",
+ str_cfg->user_str_id,
+ pict_hdrinfo->coded_frame_size.width,
+ pict_hdrinfo->coded_frame_size.height,
+ min_width, min_height);
+#endif /* ndef USE_STRICT_MIN_PIC_SIZE_CHECK */
+ }
+
+ if (pict_hdrinfo->pict_sgm_data.id !=
+ BSPP_INVALID && pict_hdrinfo->coded_frame_size.width > 1280) {
+ pr_warn("[USERSID=0x%08X] UNSUPPORTED[HW]: SGM & coded frame width > 1280",
+ str_cfg->user_str_id);
+ unsupported->pict_hdr |=
+ VDECDD_UNSUPPORTED_PICTHDR_OVERSIZED_SGM;
+ }
+
+ if (pict_hdrinfo->discontinuous_mbs)
+ pr_info("Stream has Discontinuous Macroblocks");
+
+ decoder_get_required_core_features(str_cfg, str_op_cfg, features);
+ }
+
+ if (unsupported->str_cfg == 0 && unsupported->str_opcfg == 0 &&
+ unsupported->op_bufcfg == 0 && unsupported->pict_hdr == 0)
+ ret = IMG_SUCCESS;
+
+ return ret;
+}
+
+/*
+ * @Function decoder_picture_decoded
+ */
+static int decoder_picture_decoded(struct dec_str_ctx *dec_str_ctx,
+ struct dec_core_ctx *dec_core_ctx,
+ struct vdecdd_picture *picture,
+ struct dec_decpict *dec_pict,
+ struct bspp_pict_hdr_info *pict_hdrinfo,
+ struct vdecdd_str_unit *str_unit)
+{
+ struct dec_fwmsg *first_fld_fwmsg;
+ struct dec_fwmsg *second_fld_fwmsg;
+ struct dec_pictref_res *pict_ref_res;
+ unsigned int transaction_id;
+ struct dec_decoded_pict *decoded_pict;
+ struct dec_decoded_pict *next_decoded_pict;
+ struct vdecdd_ddbuf_mapinfo *pict_buf;
+ struct dec_decoded_pict *prev_decoded_pict;
+ struct vdecfw_buffer_control *buf_control;
+ struct vdec_comsequ_hdrinfo *comseq_hdrinfo;
+ unsigned int res_limit = 0;
+ unsigned int dec_pict_num = 0;
+ unsigned int req_pict_num = 0;
+ struct dec_decoded_pict *aux_decoded_pict;
+ struct dec_decoded_pict *displayed_decoded_pict = NULL;
+ int ret;
+ unsigned int pict_id;
+ struct vdec_pict_tag_container *fld_tag_container;
+#ifdef ERROR_CONCEALMENT
+ unsigned int first_field_err_level = 0;
+ unsigned int second_field_err_level = 0;
+ unsigned int pict_last_mb = 0;
+#endif
+ struct vxd_dec_ctx *ctx;
+ unsigned int error_flag = 0;
+
+ VDEC_ASSERT(dec_str_ctx);
+ VDEC_ASSERT(str_unit);
+ VDEC_ASSERT(dec_pict);
+
+ first_fld_fwmsg = dec_pict->first_fld_fwmsg;
+ second_fld_fwmsg = dec_pict->second_fld_fwmsg;
+ pict_ref_res = dec_pict->pict_ref_res;
+ transaction_id = dec_pict->transaction_id;
+
+ VDEC_ASSERT(picture);
+ pict_buf = picture->disp_pict_buf.pict_buf;
+ VDEC_ASSERT(pict_buf);
+ comseq_hdrinfo = &pict_buf->ddstr_context->comseq_hdr_info;
+
+ /* Create a container for decoded picture. */
+ decoded_pict = kzalloc(sizeof(*decoded_pict), GFP_KERNEL);
+ VDEC_ASSERT(decoded_pict);
+ if (!decoded_pict)
+ return IMG_ERROR_OUT_OF_MEMORY;
+
+ decoded_pict->pict = picture;
+ decoded_pict->first_fld_fwmsg = first_fld_fwmsg;
+ decoded_pict->second_fld_fwmsg = second_fld_fwmsg;
+ decoded_pict->pict_ref_res = pict_ref_res;
+ decoded_pict->transaction_id = transaction_id;
+
+ /* Populate the decoded picture information structure. */
+ picture->dec_pict_info->pict_state = VDEC_PICT_STATE_DECODED;
+
+ memcpy(&picture->dec_pict_info->first_fld_tag_container.pict_hwcrc,
+ &first_fld_fwmsg->pict_hwcrc,
+ sizeof(picture->dec_pict_info->first_fld_tag_container.pict_hwcrc));
+
+ memcpy(&picture->dec_pict_info->second_fld_tag_container.pict_hwcrc,
+ &second_fld_fwmsg->pict_hwcrc,
+ sizeof(picture->dec_pict_info->second_fld_tag_container.pict_hwcrc));
+
+ buf_control =
+ (struct vdecfw_buffer_control *)decoded_pict->pict_ref_res->fw_ctrlbuf.cpu_virt;
+ if (buf_control->second_field_of_pair) {
+ /* Search the first field and fill the second_fld_tag_container */
+ unsigned int prev_dec_pict_id =
+ get_prev_picture_id(GET_STREAM_PICTURE_ID(decoded_pict->transaction_id));
+ prev_decoded_pict =
+ decoder_get_decoded_pict_of_stream(prev_dec_pict_id,
+ &dec_str_ctx->str_decd_pict_list);
+
+ if (prev_decoded_pict) {
+ memcpy(&picture->dec_pict_info->second_fld_tag_container.pict_hwcrc,
+ &prev_decoded_pict->first_fld_fwmsg->pict_hwcrc,
+ sizeof
+ (picture->dec_pict_info->second_fld_tag_container.pict_hwcrc));
+ } else {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Failed to find decoded picture to attach second_fld_tag_container",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+ }
+ prev_decoded_pict = NULL;
+ }
+
+ /* Report any issues in decoding */
+ if (decoded_pict->pict->dec_pict_info->err_flags)
+ pr_warn("[USERSID=0x%08X] [PID=0x%08X] BSPP reported errors [flags: 0x%08X]",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->pict->pict_id,
+ decoded_pict->pict->dec_pict_info->err_flags);
+
+ if ((decoded_pict->first_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_FEERROR_ENTDECERROR)) ||
+ (decoded_pict->second_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_FEERROR_ENTDECERROR))) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Front-end HW processing terminated prematurely due to an error.",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_FEHW_DECODE;
+ }
+
+ if ((decoded_pict->first_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_FEERROR_SRERROR)) ||
+ (decoded_pict->second_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_FEERROR_SRERROR))) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] HW Shift Register access returned an error during FEHW parsing.",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_SR_ERROR;
+ }
+
+ if ((decoded_pict->first_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_FEERROR_HWWDT)) ||
+ (decoded_pict->second_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_FEERROR_HWWDT))) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Front-end HW processing timed-out.",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_FEHW_TIMEOUT;
+ }
+
+ if ((decoded_pict->first_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_MISSING_REFERENCES)) ||
+ (decoded_pict->second_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_MISSING_REFERENCES))) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] There are missing references for the current frame. May have corruption",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+ /*
+ * This is not a serious error, indicate host app to drop the
+ * frame as may have corruption.
+ */
+ picture->dec_pict_info->err_flags |=
+ VDEC_ERROR_MISSING_REFERENCES;
+ }
+
+ if ((decoded_pict->first_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_MMCO_ERROR)) ||
+ (decoded_pict->second_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_MMCO_ERROR))) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] MMCO error accured when processing the current frame. May have corruption",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+
+ /*
+ * This is not a serious error, indicate host app to drop
+ * the frame as may have corruption.
+ */
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_MMCO;
+ }
+
+ if ((decoded_pict->first_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_MBS_DROPPED_ERROR)) ||
+ (decoded_pict->second_fld_fwmsg->pict_attrs.fe_err &
+ FLAG_MASK(VDECFW_MSGFLAG_DECODED_MBS_DROPPED_ERROR))) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Some macroblocks were dropped when processing the current frame. May have corruption",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+
+ /*
+ * This is not a serious error, indicate host app to
+ * drop the frame as may have corruption.
+ */
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_MBS_DROPPED;
+ }
+
+ if (decoded_pict->first_fld_fwmsg->pict_attrs.no_be_wdt > 0) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Back-end HW processing timed-out. Aborted slices %d",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id,
+ decoded_pict->first_fld_fwmsg->pict_attrs.no_be_wdt);
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_BEHW_TIMEOUT;
+ }
+
+ if (decoded_pict->second_fld_fwmsg->pict_attrs.no_be_wdt > 0) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Back-end HW processing timed-out. Aborted slices %d",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id,
+ decoded_pict->second_fld_fwmsg->pict_attrs.no_be_wdt);
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_BEHW_TIMEOUT;
+ }
+
+#ifdef ERROR_CONCEALMENT
+ /* Estimate error level in percentage */
+ if (decoder_get_pict_processing_info(dec_core_ctx, dec_str_ctx, pict_hdrinfo,
+ decoded_pict, dec_pict, &pict_last_mb) == TRUE) {
+ if (pict_last_mb) {
+ first_field_err_level = 100 - ((100 * (pict_last_mb -
+ decoded_pict->first_fld_fwmsg->pict_attrs.mbs_dropped +
+ decoded_pict->first_fld_fwmsg->pict_attrs.mbs_recovered)) /
+ pict_last_mb);
+
+ second_field_err_level = 100 - ((100 * (pict_last_mb -
+ decoded_pict->second_fld_fwmsg->pict_attrs.mbs_dropped +
+ decoded_pict->second_fld_fwmsg->pict_attrs.mbs_recovered)) /
+ pict_last_mb);
+ }
+
+ /* does not work properly with discontinuous mbs */
+ if (!pict_hdrinfo->discontinuous_mbs)
+ picture->dec_pict_info->err_level = first_field_err_level >
+ second_field_err_level ?
+ first_field_err_level : second_field_err_level;
+
+ VDEC_ASSERT(picture->dec_pict_info->err_level <= 100);
+ if (picture->dec_pict_info->err_level)
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Picture error level: %d(%%)",
+ dec_str_ctx->config.user_str_id, decoded_pict->transaction_id,
+ picture->dec_pict_info->err_level);
+ }
+#endif
+
+ if (decoded_pict->first_fld_fwmsg->pict_attrs.pict_attrs.dwrfired ||
+ decoded_pict->second_fld_fwmsg->pict_attrs.pict_attrs.dwrfired) {
+ pr_warn("[USERSID=0x%08X] VXD Device Reset (Lockup).",
+ dec_str_ctx->config.user_str_id);
+ picture->dec_pict_info->err_flags |=
+ VDEC_ERROR_SERVICE_TIMER_EXPIRY;
+ }
+
+ if (decoded_pict->first_fld_fwmsg->pict_attrs.pict_attrs.mmufault ||
+ decoded_pict->second_fld_fwmsg->pict_attrs.pict_attrs.mmufault) {
+ pr_warn("[USERSID=0x%08X] VXD Device Reset (MMU fault).",
+ dec_str_ctx->config.user_str_id);
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_MMU_FAULT;
+ }
+
+ if (decoded_pict->first_fld_fwmsg->pict_attrs.pict_attrs.deverror ||
+ decoded_pict->second_fld_fwmsg->pict_attrs.pict_attrs.deverror) {
+ pr_warn("[USERSID=0x%08X] VXD Device Error (e.g. firmware load failed).",
+ dec_str_ctx->config.user_str_id);
+ picture->dec_pict_info->err_flags |= VDEC_ERROR_DEVICE;
+ }
+
+ /*
+ * Assigned error flag from the decoder error flag for error recovery.
+ */
+ error_flag = picture->dec_pict_info->err_flags;
+ /*
+ * Loop over references, for each one find the related picture
+ * on the decPictList, and propagate errors if needed
+ */
+ ret =
+ decoder_check_ref_errors(dec_str_ctx, (struct vdecfw_buffer_control *)
+ decoded_pict->pict_ref_res->fw_ctrlbuf.cpu_virt,
+ picture);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+
+ if (dec_str_ctx->config.vid_std == VDEC_STD_H264) {
+ /* Attach the supplementary data to the decoded picture. */
+ picture->dec_pict_sup_data.raw_vui_data =
+ pict_hdrinfo->h264_pict_hdr_info.raw_vui_data;
+ pict_hdrinfo->h264_pict_hdr_info.raw_vui_data = NULL;
+
+ picture->dec_pict_sup_data.raw_sei_list_first_fld =
+ pict_hdrinfo->h264_pict_hdr_info.raw_sei_data_list_first_field;
+ pict_hdrinfo->h264_pict_hdr_info.raw_sei_data_list_first_field = NULL;
+
+ picture->dec_pict_sup_data.raw_sei_list_second_fld =
+ pict_hdrinfo->h264_pict_hdr_info.raw_sei_data_list_second_field;
+ pict_hdrinfo->h264_pict_hdr_info.raw_sei_data_list_second_field = NULL;
+
+ picture->dec_pict_sup_data.h264_pict_supl_data.nal_ref_idc =
+ pict_hdrinfo->h264_pict_hdr_info.nal_ref_idc;
+
+ picture->dec_pict_sup_data.h264_pict_supl_data.frame_num =
+ pict_hdrinfo->h264_pict_hdr_info.frame_num;
+ }
+
+#ifdef HAS_HEVC
+ if (dec_str_ctx->config.vid_std == VDEC_STD_HEVC) {
+ /* Attach the supplementary data to the decoded picture. */
+ picture->dec_pict_sup_data.raw_vui_data =
+ pict_hdrinfo->hevc_pict_hdr_info.raw_vui_data;
+
+ pict_hdrinfo->hevc_pict_hdr_info.raw_vui_data = NULL;
+
+ picture->dec_pict_sup_data.raw_sei_list_first_fld =
+ pict_hdrinfo->hevc_pict_hdr_info.raw_sei_datalist_firstfield;
+
+ pict_hdrinfo->hevc_pict_hdr_info.raw_sei_datalist_firstfield = NULL;
+
+ picture->dec_pict_sup_data.raw_sei_list_second_fld =
+ pict_hdrinfo->hevc_pict_hdr_info.raw_sei_datalist_secondfield;
+
+ pict_hdrinfo->hevc_pict_hdr_info.raw_sei_datalist_secondfield = NULL;
+
+ picture->dec_pict_sup_data.hevc_pict_supl_data.pic_order_cnt =
+ buf_control->hevc_data.pic_order_count;
+ }
+#endif
+
+ if (!((buf_control->dec_pict_type == IMG_BUFFERTYPE_PAIR &&
+ VDECFW_PICMGMT_FIELD_CODED_PICTURE_EXECUTED(buf_control->picmgmt_flags)) ||
+ FLAG_IS_SET(buf_control->picmgmt_flags, VDECFW_PICMGMTFLAG_PICTURE_EXECUTED))) {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Picture management was not executed for this picture; forcing display.",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+ decoded_pict->force_display = TRUE;
+ }
+
+ dec_str_ctx->dec_str_st.total_pict_finished++;
+
+ /*
+ * Use NextPictIdExpected to do this check. ui32NextPictId could be
+ * different from what expected at this point because we failed to
+ * process a picture the last time run this function (this is still
+ * an error (unless doing multi-core) but not the error reported here.
+ */
+ if (picture->pict_id != dec_str_ctx->next_pict_id_expected) {
+ pr_warn("[USERSID=0x%08X] ERROR: MISSING DECODED PICTURE (%d)",
+ dec_str_ctx->config.user_str_id,
+ dec_str_ctx->next_dec_pict_id);
+ }
+
+ dec_str_ctx->next_dec_pict_id =
+ get_next_picture_id(GET_STREAM_PICTURE_ID(decoded_pict->transaction_id));
+ dec_str_ctx->next_pict_id_expected = dec_str_ctx->next_dec_pict_id;
+
+ /* Add the picture itself to the decoded list */
+ next_decoded_pict = dq_first(&dec_str_ctx->str_decd_pict_list);
+ while (next_decoded_pict &&
+ !HAS_X_REACHED_Y(GET_STREAM_PICTURE_ID(next_decoded_pict->transaction_id),
+ picture->pict_id,
+ 1 << FWIF_NUMBITS_STREAM_PICTURE_ID, unsigned int)) {
+ if (next_decoded_pict !=
+ dq_last(&dec_str_ctx->str_decd_pict_list))
+ next_decoded_pict = dq_next(next_decoded_pict);
+ else
+ next_decoded_pict = NULL;
+ }
+
+ if (next_decoded_pict)
+ dq_addbefore(next_decoded_pict, decoded_pict);
+ else
+ dq_addtail(&dec_str_ctx->str_decd_pict_list, decoded_pict);
+
+ dec_str_ctx->dec_str_st.num_pict_decoded++;
+
+ pr_debug("%s : number of picture decoded = %d\n"
+ , __func__, dec_str_ctx->dec_str_st.num_pict_decoded);
+ /* Process the decoded pictures in the encoded order */
+ decoded_pict = dq_first(&dec_str_ctx->str_decd_pict_list);
+ VDEC_ASSERT(decoded_pict);
+ if (!decoded_pict)
+ return IMG_ERROR_UNEXPECTED_STATE;
+
+ ret = dec_str_ctx->str_processed_cb((void *)dec_str_ctx->usr_int_data,
+ VXD_CB_PICT_DECODED, (void *)picture);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ /*
+ * Loop on the unprocessed pictures until we failed to process one
+ * or we have processed them all
+ */
+ for (next_decoded_pict = decoder_next_picture(decoded_pict,
+ dec_str_ctx->next_dec_pict_id,
+ &dec_str_ctx->str_decd_pict_list);
+ next_decoded_pict;
+ next_decoded_pict = decoder_next_picture(decoded_pict,
+ dec_str_ctx->next_dec_pict_id,
+ &dec_str_ctx->str_decd_pict_list)) {
+ unsigned int i = 0;
+ struct dec_decoded_pict *display_pict = NULL;
+ struct dec_decoded_pict *release_pict = NULL;
+ unsigned char last_to_display_for_seq = FALSE;
+
+ /*
+ * next_decoded_pict is used to temporarily store decoded_pict
+ * so that we can clear the bProcessFailed flag before
+ * returning
+ */
+ decoded_pict = next_decoded_pict;
+ if (!decoded_pict->force_display) {
+ struct vdecfw_buffer_control *buf_ctrl = NULL;
+
+ buf_ctrl = (struct vdecfw_buffer_control *)
+ decoded_pict->pict_ref_res->fw_ctrlbuf.cpu_virt;
+
+ if (buf_ctrl->real_data.width && buf_ctrl->real_data.height) {
+ /*
+ * Firmware sets image size as it is in
+ * bitstream.
+ */
+ picture->dec_pict_info->disp_info.disp_region.width =
+ buf_ctrl->real_data.width;
+ picture->dec_pict_info->disp_info.disp_region.height =
+ buf_ctrl->real_data.height;
+ picture->dec_pict_info->disp_info.disp_region.top_offset = 0;
+ picture->dec_pict_info->disp_info.disp_region.left_offset = 0;
+
+ picture->dec_pict_info->rend_info.rend_pict_size.width =
+ picture->dec_pict_info->disp_info.disp_region.width;
+ picture->dec_pict_info->rend_info.rend_pict_size.height =
+ picture->dec_pict_info->disp_info.disp_region.height;
+
+ /*
+ * Update encoded size with values coded in
+ * bitstream,so golden image can be loaded
+ * correctly
+ */
+ picture->dec_pict_info->disp_info.enc_disp_region.width =
+ buf_ctrl->real_data.width;
+ picture->dec_pict_info->disp_info.enc_disp_region.height =
+ buf_ctrl->real_data.height;
+ }
+
+ decoded_pict->pict->dec_pict_info->timestamp =
+ buf_ctrl->real_data.timestamp;
+ decoded_pict->pict->dec_pict_info->disp_info.top_fld_first =
+ buf_ctrl->top_field_first;
+ decoded_pict->pict->dec_pict_info->disp_info.top_fld_first =
+ buf_ctrl->top_field_first;
+
+ decoded_pict->pict->dec_pict_info->id_for_hwcrc_chk =
+ GET_STREAM_PICTURE_ID(decoded_pict->transaction_id) - 1;
+ decoded_pict->pict->dec_pict_info->id_for_hwcrc_chk +=
+ dec_str_ctx->dec_str_st.flds_as_frm_decodes;
+
+ if (buf_ctrl->dec_pict_type == IMG_BUFFERTYPE_PAIR &&
+ !buf_ctrl->second_field_of_pair)
+ dec_str_ctx->dec_str_st.flds_as_frm_decodes++;
+
+ if (buf_ctrl->second_field_of_pair) {
+ /*
+ * Second field of pair is always complementary
+ * type to the eFirstPictTagType of the
+ * previous picture
+ */
+ unsigned int prev_dec_pict_id =
+ get_prev_picture_id(GET_STREAM_PICTURE_ID(decoded_pict->transaction_id));
+
+ prev_decoded_pict =
+ decoder_get_decoded_pict_of_stream
+ (prev_dec_pict_id,
+ &dec_str_ctx->str_decd_pict_list);
+ if (prev_decoded_pict) {
+ fld_tag_container =
+ &prev_decoded_pict->pict->dec_pict_info->second_fld_tag_container;
+ fld_tag_container->pict_tag_param =
+ decoded_pict->pict->dec_pict_info->first_fld_tag_container.pict_tag_param;
+
+ /*
+ * Copy the first field info in the
+ * proper place
+ */
+ memcpy(&fld_tag_container->pict_hwcrc,
+ &first_fld_fwmsg->pict_hwcrc,
+ sizeof(fld_tag_container->pict_hwcrc));
+
+ /*
+ * Attach the raw SEI data list for a
+ * second field to a picture.
+ */
+ prev_decoded_pict->pict->dec_pict_sup_data.raw_sei_list_second_fld =
+ decoded_pict->pict->dec_pict_sup_data.raw_sei_list_first_fld;
+
+ prev_decoded_pict->pict->dec_pict_info->disp_info.top_fld_first =
+ buf_ctrl->top_field_first;
+
+ /* Mark this picture as merged fields. */
+ prev_decoded_pict->pict->dec_pict_sup_data.merged_flds =
+ TRUE;
+ /* Mark the picture that was merged to the previous one. */
+ decoded_pict->merged = TRUE;
+ } else {
+ pr_warn("[USERSID=0x%08X] [TID 0x%08X] Failed to find decoded picture to attach tag",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+ }
+ } else {
+ /*
+ * Not Second-field-of-pair picture tag
+ * correlates its Tag to the its type by
+ * setting the eFirstPictTagType in the
+ * following way
+ */
+ decoded_pict->pict->dec_pict_info->first_fld_tag_container.pict_type
+ =
+ buf_ctrl->dec_pict_type;
+ memcpy(&picture->dec_pict_info->first_fld_tag_container.pict_hwcrc,
+ &first_fld_fwmsg->pict_hwcrc,
+ sizeof
+ (picture->dec_pict_info->first_fld_tag_container.pict_hwcrc));
+ }
+
+ /*
+ * Update the id of the next picture to process. It has
+ * to be update always (even if we fail to process)
+ * This has to be a global flag because it will be
+ * passed in both decoder_NextPicture (and then to
+ * DECODER_NextDecPictContiguous inside it)
+ * and to the corner case check below
+ */
+ dec_str_ctx->next_dec_pict_id =
+ get_next_picture_id(GET_STREAM_PICTURE_ID
+ (decoded_pict->transaction_id));
+ /*
+ * Display all the picture in the list that have been
+ * decoded and signalled by the fw to be displayed
+ */
+ for (i = decoded_pict->disp_idx;
+ i < buf_ctrl->display_list_length &&
+ !decoded_pict->process_failed;
+ i++, decoded_pict->disp_idx++) {
+ /*
+ * Display picture if it has been decoded
+ * (i.e. in decoded list).
+ */
+ display_pict = decoder_get_decoded_pict
+ (buf_ctrl->display_list[i],
+ &dec_str_ctx->str_decd_pict_list);
+ if (display_pict) {
+ if (FLAG_IS_SET(buf_ctrl->display_flags[i],
+ VDECFW_BUFFLAG_DISPLAY_FIELD_CODED) &&
+ (!FLAG_IS_SET
+ (buf_ctrl->display_flags[i],
+ VDECFW_BUFFLAG_DISPLAY_SINGLE_FIELD))) {
+ display_pict->pict->dec_pict_info->buf_type =
+ IMG_BUFFERTYPE_PAIR;
+ if (FLAG_IS_SET
+ (buf_ctrl->display_flags[i],
+ VDECFW_BUFFLAG_DISPLAY_INTERLACED_FIELDS))
+ display_pict->pict->dec_pict_info->interlaced_flds =
+ TRUE;
+ } else if (FLAG_IS_SET
+ (buf_ctrl->display_flags[i],
+ VDECFW_BUFFLAG_DISPLAY_FIELD_CODED) &&
+ FLAG_IS_SET
+ (buf_ctrl->display_flags[i],
+ VDECFW_BUFFLAG_DISPLAY_SINGLE_FIELD)) {
+ display_pict->pict->dec_pict_info->buf_type =
+ FLAG_IS_SET
+ (buf_ctrl->display_flags[i],
+ VDECFW_BUFFLAG_DISPLAY_BOTTOM_FIELD) ?
+ IMG_BUFFERTYPE_FIELD_BOTTOM :
+ IMG_BUFFERTYPE_FIELD_TOP;
+ } else {
+ display_pict->pict->dec_pict_info->buf_type =
+ IMG_BUFFERTYPE_FRAME;
+ }
+
+ display_pict->pict->dec_pict_info->view_id =
+ buf_ctrl->display_view_ids[i];
+
+ /*
+ * When no reference pictures are left to
+ * display and this is the last display
+ * picture in response to the last decoded
+ * picture, signal.
+ */
+ if (decoded_pict->pict->last_pict_in_seq &&
+ i == (buf_ctrl->display_list_length - 1))
+ last_to_display_for_seq = TRUE;
+
+ if (!display_pict->displayed) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] DISPLAY",
+ dec_str_ctx->config.user_str_id,
+ buf_ctrl->display_list[i]);
+#endif
+ display_pict->displayed = TRUE;
+ pict_id = GET_STREAM_PICTURE_ID
+ (buf_ctrl->display_list[i]);
+
+ ret = decoder_picture_display
+ (dec_str_ctx, pict_id,
+ last_to_display_for_seq);
+ }
+ } else {
+ /*
+ * In single core scenario should
+ * not come here.
+ */
+ pr_warn("[USERSID=0x%08X] Failed to find decoded picture [TID = 0x%08X] to send for display",
+ dec_str_ctx->config.user_str_id,
+ buf_ctrl->display_list[i]);
+ }
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ /* Release all unused pictures (firmware request) */
+ for (i = decoded_pict->rel_idx;
+ i < buf_ctrl->release_list_length &&
+ !decoded_pict->process_failed;
+ i++, decoded_pict->rel_idx++) {
+ release_pict = decoder_get_decoded_pict
+ (buf_ctrl->release_list[i],
+ &dec_str_ctx->str_decd_pict_list);
+ if (release_pict) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] RELEASE( ): PIC_ID[%d]",
+ dec_str_ctx->config.user_str_id,
+ release_pict->pict->pict_id);
+#endif
+ /*
+ * Signal releasing this picture to upper
+ * layers.
+ */
+ decoder_picture_release(dec_str_ctx,
+ GET_STREAM_PICTURE_ID
+ (buf_ctrl->release_list[i]),
+ release_pict->displayed,
+ release_pict->merged);
+ if (release_pict->processed) {
+ /*
+ * If the decoded picture has been
+ * processed, destroy now.
+ */
+ ret = decoder_decoded_picture_destroy(dec_str_ctx,
+ release_pict,
+ FALSE);
+ } else {
+ /*
+ * If the decoded picture is not
+ * processed just destroy the
+ * containing picture.
+ */
+ pict_id = GET_STREAM_PICTURE_ID
+ (buf_ctrl->release_list[i]);
+ ret = decoder_picture_destroy(dec_str_ctx,
+ pict_id, FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ release_pict->pict = NULL;
+ }
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ } else {
+ /*
+ * In single core scenario should not
+ * come here.
+ */
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] Failed to find decoded picture [TID = 0x%08X] to release",
+ dec_str_ctx->config.user_str_id,
+ buf_ctrl->release_list[i]);
+#endif
+ }
+ }
+ } else {
+ /* Always display the picture if we have no hardware */
+ if (!decoded_pict->displayed) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] DISPLAY",
+ dec_str_ctx->config.user_str_id,
+ decoded_pict->transaction_id);
+#endif
+ decoded_pict->displayed = TRUE;
+ ret = decoder_picture_display
+ (dec_str_ctx,
+ decoded_pict->pict->pict_id,
+ decoded_pict->pict->last_pict_in_seq);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ /* Always release the picture if we have no hardware */
+ ret = decoder_picture_destroy(dec_str_ctx,
+ decoded_pict->pict->pict_id,
+ FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ decoded_pict->pict = NULL;
+ }
+
+ /* If we have processed the current picture */
+ if (!decoded_pict->process_failed) {
+ decoded_pict->processed = TRUE;
+
+ /*
+ * If the current picture has been released then
+ * remove the container from the decoded list
+ */
+ if (!decoded_pict->pict) {
+ /*
+ * Only destroy the decoded picture once it is processed
+ * and the fw has instructed to release the picture.
+ */
+ ret = decoder_decoded_picture_destroy(dec_str_ctx,
+ decoded_pict, FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ decoded_pict = NULL;
+ } /* end if (decoded_pict->pict == NULL) */
+ } /* end if (!decoded_pict->process_failed) */
+ } /* end for */
+
+ /*
+ * Always clear the process_failed flag to ensure that this picture
+ * will be processed on the next function call
+ */
+ if (decoded_pict)
+ decoded_pict->process_failed = FALSE;
+
+ /*
+ * Go through the list of decoded pictures to check if there are any
+ * pictures left for displaying and that are still not displayed due
+ * to picture management errors.
+ * Get the minimum required number of picture buffers.
+ */
+ vdecddutils_ref_pict_get_maxnum(&dec_str_ctx->config,
+ comseq_hdrinfo, &req_pict_num);
+ req_pict_num += comseq_hdrinfo->interlaced_frames ? 2 : 1;
+
+ ret = dec_str_ctx->core_query_cb(dec_str_ctx->usr_int_data,
+ DECODER_CORE_GET_RES_LIMIT,
+ &res_limit);
+
+ /* Start the procedure only if there is enough resources available. */
+ if (res_limit >= req_pict_num) {
+ /* Allow for one picture buffer for display. */
+ res_limit--;
+
+ /*
+ * Count the number of decoded pictures that were not
+ * displayed yet.
+ */
+ aux_decoded_pict = dq_first(&dec_str_ctx->str_decd_pict_list);
+ while (aux_decoded_pict) {
+ if (aux_decoded_pict->pict) {
+ dec_pict_num++;
+ if (!displayed_decoded_pict)
+ displayed_decoded_pict =
+ aux_decoded_pict;
+ }
+ if (aux_decoded_pict !=
+ dq_last(&dec_str_ctx->str_decd_pict_list))
+ aux_decoded_pict = dq_next(aux_decoded_pict);
+ else
+ aux_decoded_pict = NULL;
+ }
+ }
+
+ /* If there is at least one not displayed picture... */
+ if (displayed_decoded_pict) {
+ /*
+ * While the number of not displayed decoded pictures exceeds
+ * the number of maximum allowed number of pictures being held
+ * by VDEC...
+ */
+ while (dec_pict_num > res_limit) {
+ pr_warn("[USERSID=0x%08X] Number of outstanding decoded pictures exceeded number of available pictures buffers.",
+ dec_str_ctx->config.user_str_id);
+
+ if (!displayed_decoded_pict) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+ /* Find the picture with the least picture id. */
+ aux_decoded_pict = dq_next(displayed_decoded_pict);
+ while (aux_decoded_pict) {
+ if (aux_decoded_pict !=
+ dq_last(&dec_str_ctx->str_decd_pict_list)) {
+ if (aux_decoded_pict->pict &&
+ aux_decoded_pict->pict->pict_id <
+ displayed_decoded_pict->pict->pict_id)
+ displayed_decoded_pict = aux_decoded_pict;
+
+ aux_decoded_pict = dq_next(aux_decoded_pict);
+ } else {
+ if (aux_decoded_pict->pict &&
+ aux_decoded_pict->pict->pict_id <
+ displayed_decoded_pict->pict->pict_id)
+ displayed_decoded_pict = aux_decoded_pict;
+
+ aux_decoded_pict = NULL;
+ }
+ }
+
+ /* Display and release the picture with the least picture id. */
+ if (!displayed_decoded_pict->displayed) {
+ pr_warn("[USERSID=0x%08X] [TID=0x%08X] DISPLAY FORCED",
+ dec_str_ctx->config.user_str_id,
+ displayed_decoded_pict->transaction_id);
+ displayed_decoded_pict->displayed = TRUE;
+ ret = decoder_picture_display
+ (dec_str_ctx,
+ displayed_decoded_pict->pict->pict_id,
+ displayed_decoded_pict->pict->last_pict_in_seq);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+ }
+
+ ret = decoder_picture_destroy(dec_str_ctx,
+ displayed_decoded_pict->pict->pict_id,
+ FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ displayed_decoded_pict->pict = NULL;
+ displayed_decoded_pict->processed = TRUE;
+
+ ret = decoder_decoded_picture_destroy(dec_str_ctx, displayed_decoded_pict,
+ FALSE);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ displayed_decoded_pict = NULL;
+
+ /*
+ * Decrease the number of not displayed decoded
+ * pictures.
+ */
+ dec_pict_num--;
+ }
+ }
+
+#ifdef ERROR_RECOVERY_SIMULATION
+ /*
+ * This part of the code should execute only when, DEBUG_FW_ERR_RECOVERY
+ * flag is enabled. This basically reads the error flag attribute from
+ * user space to create fake errors for testing the firmware error
+ * recovery.
+ */
+ if (fw_error_value != VDEC_ERROR_MAX) {
+ error_flag = error_flag | (1 << fw_error_value);
+ /* Now lets make it VDEC_ERROR_MAX */
+ fw_error_value = VDEC_ERROR_MAX;
+ }
+#endif
+
+ /*
+ * Whenever the error flag is set, we need to handle the error case.
+ * Need to forward this error to stream processed callback.
+ */
+ if (error_flag) {
+ pr_err("%s : %d err_flags: 0x%x\n", __func__, __LINE__, error_flag);
+ ret = dec_str_ctx->str_processed_cb((void *)dec_str_ctx->usr_int_data,
+ VXD_CB_ERROR_FATAL, &error_flag);
+ }
+ /*
+ * check for eos on bitstream and propagate the same to picture
+ * buffer
+ */
+ ctx = dec_str_ctx->vxd_dec_ctx;
+ ctx->num_decoding--;
+ if (ctx->eos) {
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("EOS reached\n");
+#endif
+
+ ret = dec_str_ctx->str_processed_cb((void *)dec_str_ctx->usr_int_data,
+ VXD_CB_STR_END, NULL);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ }
+
+ return ret;
+}
+
+/*
+ * @Function decoder_service_firmware_response
+ */
+int decoder_service_firmware_response(void *dec_str_ctx_arg, unsigned int *msg,
+ unsigned int msg_size, unsigned int msg_flags)
+{
+ int ret = IMG_SUCCESS;
+ struct dec_decpict *dec_pict = NULL;
+ unsigned char head_of_queue = TRUE;
+ struct dec_str_ctx *dec_str_ctx;
+ struct dec_str_unit *dec_str_unit;
+ unsigned char pict_start = FALSE;
+ enum vdecdd_str_unit_type str_unit_type;
+ struct vdecdd_picture *picture;
+ struct decoder_pict_fragment *pict_fragment;
+ struct dec_str_ctx *dec_strctx;
+ struct dec_core_ctx *dec_core_ctx;
+
+ /* validate input arguments */
+ if (!dec_str_ctx_arg || !msg) {
+ VDEC_ASSERT(0);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ dec_strctx = decoder_stream_get_context(dec_str_ctx_arg);
+
+ dec_core_ctx = decoder_str_ctx_to_core_ctx(dec_strctx);
+
+ if (!dec_core_ctx) {
+ pr_err("%s: dec_core_ctx is NULL\n", __func__);
+ VDEC_ASSERT(0);
+ return IMG_ERROR_INVALID_PARAMETERS;
+ }
+
+ pr_debug("%s : process firmware response\n", __func__);
+ ret = hwctrl_process_msg(dec_core_ctx->hw_ctx, msg_flags, msg, &dec_pict);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ if (!dec_pict || (dec_pict->state != DECODER_PICTURE_STATE_DECODED &&
+ dec_pict->state != DECODER_PICTURE_STATE_TO_DISCARD))
+ return IMG_ERROR_UNEXPECTED_STATE;
+
+ /*
+ * Try and locate the stream context in the list of active
+ * streams.
+ */
+ VDEC_ASSERT(dec_core_ctx->dec_ctx);
+ dec_str_ctx = lst_first(&dec_core_ctx->dec_ctx->str_list);
+ if (!dec_str_ctx) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+
+ while (dec_str_ctx) {
+ if (dec_str_ctx == dec_pict->dec_str_ctx)
+ break;
+
+ dec_str_ctx = lst_next(dec_str_ctx);
+ }
+
+ /*
+ * If the stream is not in the list of active streams then
+ * it must have been destroyed.
+ * This interrupt should be ignored.
+ */
+ if (dec_str_ctx != dec_pict->dec_str_ctx)
+ return IMG_SUCCESS;
+
+ /*
+ * Retrieve the picture from the head of the core decode queue
+ * primarily to obtain the correct stream context.
+ */
+ hwctrl_removefrom_piclist(dec_core_ctx->hw_ctx, dec_pict);
+
+ if (!dec_str_ctx) {
+ VDEC_ASSERT(0);
+ return -EINVAL;
+ }
+ dec_str_ctx->avail_slots++;
+ VDEC_ASSERT(dec_str_ctx->avail_slots > 0);
+
+ /*
+ * Store the stream context of the picture that has been
+ * decoded.
+ */
+ dec_str_ctx = dec_pict->dec_str_ctx;
+ VDEC_ASSERT(dec_str_ctx);
+
+ if (!dec_str_ctx)
+ return IMG_ERROR_UNEXPECTED_STATE;
+
+ /*
+ * Picture has been discarded before EOP unit,
+ * recover the decoder to valid state
+ */
+ if (!dec_pict->eop_found) {
+ VDEC_ASSERT(dec_pict == dec_str_ctx->cur_pict);
+
+ dec_core_ctx->busy = FALSE;
+ dec_str_ctx->cur_pict = NULL;
+ }
+
+ /*
+ * Peek the first stream unit and validate against core
+ * queue to ensure that this really is the next picture
+ * for the stream.
+ */
+ dec_str_unit = lst_first(&dec_str_ctx->pend_strunit_list);
+ if (dec_str_unit) {
+ if (dec_str_unit->dec_pict != dec_pict) {
+ head_of_queue = FALSE;
+
+ /*
+ * For pictures to be decoded
+ * out-of-order there must be
+ * more than one decoder core.
+ */
+ VDEC_ASSERT(dec_str_ctx->decctx->num_pipes > 1);
+ while (dec_str_unit) {
+ dec_str_unit = lst_next(dec_str_unit);
+ if (dec_str_unit->dec_pict == dec_pict)
+ break;
+ }
+ }
+ VDEC_ASSERT(dec_str_unit);
+ if (!dec_str_unit)
+ return IMG_ERROR_FATAL;
+
+ VDEC_ASSERT(dec_str_unit->dec_pict == dec_pict);
+ VDEC_ASSERT(dec_str_unit->str_unit->str_unit_type ==
+ VDECDD_STRUNIT_PICTURE_START);
+ }
+
+ /*
+ * Process all units from the pending stream list until
+ * the next picture start.
+ */
+ while (dec_str_unit && !pict_start) {
+ /*
+ * Actually remove the unit now from the
+ * pending stream list.
+ */
+ lst_remove(&dec_str_ctx->pend_strunit_list, dec_str_unit);
+ if (!dec_str_unit->str_unit || !dec_pict)
+ break;
+
+ str_unit_type = dec_str_unit->str_unit->str_unit_type;
+
+ if (str_unit_type != VDECDD_STRUNIT_PICTURE_START)
+ break;
+
+ dec_str_ctx = dec_pict->dec_str_ctx;
+
+ dec_str_ctx->dec_str_st.num_pict_decoding--;
+ dec_str_ctx->dec_str_st.total_pict_decoded++;
+
+ ret = idgen_gethandle(dec_str_ctx->pict_idgen,
+ GET_STREAM_PICTURE_ID(dec_str_unit->dec_pict->transaction_id),
+ (void **)&picture);
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS || !picture) {
+ pr_err("[USERSID=0x%08X] Failed to find picture from ID",
+ dec_str_ctx->config.user_str_id);
+ return IMG_ERROR_INVALID_ID;
+ }
+
+ VDEC_ASSERT(picture == dec_str_unit->str_unit->dd_pict_data);
+
+ /* Hold a reference to the last context on the BE */
+ if (dec_str_ctx->last_be_pict_dec_res && HAS_X_PASSED_Y
+ (picture->pict_id,
+ GET_STREAM_PICTURE_ID(dec_str_ctx->last_be_pict_dec_res->transaction_id),
+ 1 << FWIF_NUMBITS_STREAM_PICTURE_ID, unsigned int)) {
+ /* Return previous last FW context. */
+ resource_item_return(&dec_str_ctx->last_be_pict_dec_res->ref_cnt);
+
+ if (resource_item_isavailable(&dec_str_ctx->last_be_pict_dec_res->ref_cnt
+ )) {
+ resource_list_remove(&dec_str_ctx->dec_res_lst,
+ dec_str_ctx->last_be_pict_dec_res);
+ resource_list_add_img(&dec_str_ctx->dec_res_lst,
+ dec_str_ctx->last_be_pict_dec_res, 0,
+ &dec_str_ctx->last_be_pict_dec_res->ref_cnt);
+ }
+ }
+ if (!dec_str_ctx->last_be_pict_dec_res ||
+ (dec_str_ctx->last_be_pict_dec_res && HAS_X_PASSED_Y
+ (picture->pict_id,
+ GET_STREAM_PICTURE_ID(dec_str_ctx->last_be_pict_dec_res->transaction_id),
+ 1 << FWIF_NUMBITS_STREAM_PICTURE_ID, unsigned int))) {
+ /* Hold onto last FW context. */
+ dec_str_ctx->last_be_pict_dec_res = dec_pict->cur_pict_dec_res;
+ resource_item_use(&dec_str_ctx->last_be_pict_dec_res->ref_cnt);
+ }
+ resource_item_return(&dec_pict->cur_pict_dec_res->ref_cnt);
+
+ if (resource_item_isavailable(&dec_pict->cur_pict_dec_res->ref_cnt)) {
+ resource_list_remove(&dec_str_ctx->dec_res_lst,
+ dec_pict->cur_pict_dec_res);
+ resource_list_add_img(&dec_str_ctx->dec_res_lst,
+ dec_pict->cur_pict_dec_res, 0,
+ &dec_pict->cur_pict_dec_res->ref_cnt);
+ }
+#ifdef DEBUG_DECODER_DRIVER
+ pr_info("[USERSID=0x%08X] [TID=0x%08X] DECODED",
+ dec_str_ctx->config.user_str_id,
+ dec_pict->transaction_id);
+#endif
+
+ ret = decoder_picture_decoded(dec_str_ctx, dec_core_ctx,
+ picture, dec_pict,
+ dec_pict->pict_hdr_info,
+ dec_str_unit->str_unit);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS)
+ return ret;
+
+ dec_res_picture_detach(&dec_str_ctx->resources, dec_pict);
+
+ /* Free the segments from the decode picture */
+ decoder_clean_bitstr_segments(&dec_pict->dec_pict_seg_list);
+
+ pict_fragment = lst_removehead(&dec_pict->fragment_list);
+ while (pict_fragment) {
+ kfree(pict_fragment);
+ pict_fragment =
+ lst_removehead(&dec_pict->fragment_list);
+ }
+
+ pict_start = (!head_of_queue) ? TRUE : FALSE;
+
+ ret = dec_str_ctx->str_processed_cb(dec_str_ctx->usr_int_data,
+ VXD_CB_STRUNIT_PROCESSED,
+ dec_str_unit->str_unit);
+
+ VDEC_ASSERT(ret == IMG_SUCCESS);
+ if (ret != IMG_SUCCESS) {
+ /* Free decoder picture */
+ kfree(dec_pict);
+ dec_pict = NULL;
+ return ret;
+ }
+
+ /* Destroy the Decoder stream unit wrapper */
+ kfree(dec_str_unit);
+
+ /* Peek at the next stream unit */
+ dec_str_unit = lst_first(&dec_str_ctx->pend_strunit_list);
+ if (dec_str_unit)
+ pict_start = (dec_str_unit->str_unit->str_unit_type ==
+ VDECDD_STRUNIT_PICTURE_START &&
+ dec_str_unit->dec_pict != dec_pict);
+
+ /* Free decoder picture */
+ kfree(dec_pict);
+ dec_pict = NULL;
+ }
+
+ kfree(dec_str_unit);
+ return ret;
+}
+
+/*
+ * @Function decoder_is_stream_idle
+ */
+unsigned char decoder_is_stream_idle(void *dec_str_ctx_handle)
+{
+ struct dec_str_ctx *dec_str_ctx;
+
+ dec_str_ctx = decoder_stream_get_context(dec_str_ctx_handle);
+ VDEC_ASSERT(dec_str_ctx);
+ if (!dec_str_ctx) {
+ pr_err("Invalid decoder stream context handle!");
+ return FALSE;
+ }
+
+ return lst_empty(&dec_str_ctx->pend_strunit_list);
+}
diff --git a/drivers/staging/media/vxd/decoder/decoder.h b/drivers/staging/media/vxd/decoder/decoder.h
new file mode 100644
index 000000000000..a6595fa785e4
--- /dev/null
+++ b/drivers/staging/media/vxd/decoder/decoder.h
@@ -0,0 +1,375 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * VXD Decoder Component header
+ *
+ * Copyright (c) Imagination Technologies Ltd.
+ * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Authors:
+ * Sunita Nadampalli <sunitan@ti.com>
+ *
+ * Re-written for upstream
+ * Sidraya Jayagond <sidraya.bj@pathpartnertech.com>
+ * Prashanth Kumar Amai <prashanth.ka@pathpartnertech.com>
+ */
+
+#ifndef __DECODER_H__
+#define __DECODER_H__
+
+#include "bspp.h"
+#include "dq.h"
+#ifdef HAS_JPEG
+#include "jpegfw_data.h"
+#endif
+#include "lst.h"
+#include "vdecdd_defs.h"
+#include "vdec_defs.h"
+#include "vid_buf.h"
+#include "vxd_ext.h"
+#include "vxd_props.h"
+#include "hevcfw_data.h"
+
+#define MAX_CONCURRENT_STREAMS 16
+
+enum dec_pict_states {
+ DECODER_PICTURE_STATE_TO_DECODE = 0,
+ DECODER_PICTURE_STATE_DECODED,
+ DECODER_PICTURE_STATE_TO_DISCARD,
+ DECODER_PICTURE_STATE_MAX,
+ DECODER_PICTURE_FORCE32BITS = 0x7FFFFFFFU
+};
+
+enum dec_res_type {
+ DECODER_RESTYPE_TRANSACTION = 0,
+ DECODER_RESTYPE_HDR,
+ DECODER_RESTYPE_BATCH_MSG,
+#ifdef HAS_HEVC
+ DECODER_RESTYPE_PVDEC_BUF,
+#endif
+ DECODER_RESTYPE_MAX,
+ DECODER_RESTYPE_FORCE32BITS = 0x7FFFFFFFU
+};
+
+enum dec_core_query_type {
+ DECODER_CORE_GET_RES_LIMIT = 0,
+ DECODER_CORE_FORCE32BITS = 0x7FFFFFFFU
+};
+
+/*
+ * @Function pfnRefPicGetMaxNum
+ * @Description
+ * This is the prototype for functions calculating the maximum number
+ * of reference pictures required per video standard.
+ *
+ * @Input psComSequHdrInfo : A pointer to the common VSH information
+ * structure.
+ *
+ * @Output pui32MaxRefPicNum : A pointer used to return the maximum number
+ * of reference frames required.
+ *
+ * @Return IMG_RESULT : This function returns either IMG_SUCCESS or
+ * an error code.
+ */
+typedef int (*ref_pic_get_maximum)(const struct vdec_comsequ_hdrinfo *comseq_hdr_info,
+ unsigned int *max_ref_pict_num);
+
+typedef int (*strunit_processed_cb)(void *handle, int cb_type, void *item);
+
+typedef int (*core_gen_cb)(void *handle, int query, void *item);
+
+struct dec_ctx;
+
+/*
+ * This structure contains the core context.
+ * @brief Decoder Core Context
+ */
+struct dec_core_ctx {
+ void **link; /* to be part of single linked list */
+ struct dec_ctx *dec_ctx;
+ unsigned char enumerated;
+ unsigned char master;
+ unsigned char configured;
+ unsigned int core_features;
+ unsigned int pipe_features[VDEC_MAX_PIXEL_PIPES];
+ struct vxd_coreprops core_props;
+ void *resources;
+ void *hw_ctx;
+ unsigned int cum_pics;
+ unsigned char busy;
+};
+
+struct dec_ctx {
+ unsigned char inited;
+ void *user_data;
+ const struct vdecdd_dd_devconfig *dev_cfg;
+ unsigned int num_pipes;
+ struct dec_core_ctx *dec_core_ctx;
+ struct lst_t str_list;
+ void *mmu_dev_handle;
+ void *dev_handle;
+ struct vidio_ddbufinfo ptd_buf_info;
+ unsigned char sup_stds[VDEC_STD_MAX];
+ unsigned int internal_heap_id;
+ unsigned int str_cnt;
+};
+
+/*
+ * This structure contains the device decode resource (used for decoding and
+ * held for subsequent decoding).
+ * @brief Decoder Device Resource
+ */
+struct dec_pictdec_res {
+ void **link; /* to be part of single linked list */
+ unsigned int transaction_id;
+ struct vidio_ddbufinfo fw_ctx_buf;
+ struct vidio_ddbufinfo h264_sgm_buf;
+ unsigned int ref_cnt;
+};
+
+struct dec_decpict;
+
+/*
+ *
+ * This structure contains the stream context.
+ * @brief Decoder Stream Context
+ */
+struct dec_str_ctx {
+ void **link; /* to be part of single linked list */
+ int km_str_id;
+ struct vdec_str_configdata config;
+ struct dec_ctx *decctx;
+ void *vxd_dec_ctx;
+ void *usr_int_data;
+ void *mmu_str_handle;
+ void *pict_idgen;
+ struct lst_t pend_strunit_list;
+ struct dq_linkage_t str_decd_pict_list;
+ unsigned int num_ref_res;
+ struct lst_t ref_res_lst;
+ unsigned int num_dec_res;
+ struct lst_t dec_res_lst;
+ unsigned int avail_pipes;
+ unsigned int avail_slots;
+ struct vdecdd_decstr_status dec_str_st;
+ struct vidio_ddbufinfo pvdec_fw_ctx_buf;
+ unsigned int last_fe_transaction_id;
+ unsigned int next_dec_pict_id;
+ unsigned int next_pict_id_expected;
+ struct dec_pictdec_res *cur_fe_pict_dec_res;
+ struct dec_pictdec_res *prev_fe_pict_dec_res;
+ struct dec_pictdec_res *last_be_pict_dec_res;
+ struct dec_decpict *cur_pict;
+ void *resources;
+ strunit_processed_cb str_processed_cb;
+ core_gen_cb core_query_cb;
+};
+
+/*
+ * Resource Structure for DECODER_sDdResourceInfo to be used with pools
+ */
+struct res_resinfo {
+ void **link; /* to be part of single linked list */
+ void *res;
+ struct vidio_ddbufinfo *ddbuf_info;
+};
+
+struct vdecdd_ddstr_ctx;
+
+/*
+ * This structure contains the Decoded attributes
+ * @brief Decoded attributes
+ */
+struct dec_pict_attrs {
+ unsigned char first_fld_rcvd;
+ unsigned int fe_err;
+ unsigned int no_be_wdt;
+ unsigned int mbs_dropped;
+ unsigned int mbs_recovered;
+ struct vxd_pict_attrs pict_attrs;
+};
+
+/*
+ * This union contains firmware contexts. Used to allocate buffers for firmware
+ * context.
+ */
+union dec_fw_contexts {
+ struct h264fw_context_data h264_context;
+#ifdef HAS_JPEG
+ struct jpegfw_context_data jpeg_context;
+#endif
+#ifdef HAS_HEVC
+ struct hevcfw_ctx_data hevc_context;
+#endif
+};
+
+/*
+ * for debug
+ */
+struct dec_fwmsg {
+ void **link;
+ struct dec_pict_attrs pict_attrs;
+ struct vdec_pict_hwcrc pict_hwcrc;
+};
+
+/*
+ * This structure contains the stream decode resource (persistent for
+ * longer than decoding).
+ * @brief Decoder Stream Resource
+ */
+struct dec_pictref_res {
+ void **link; /* to be part of single linked list */
+ struct vidio_ddbufinfo fw_ctrlbuf;
+ unsigned int ref_cnt;
+};
+
+/*
+ * This structure defines the decode picture.
+ * @brief Decoder Picture
+ */
+struct dec_decpict {
+ void **link;
+ unsigned int transaction_id;
+ void *dec_str_ctx;
+ unsigned char twopass;
+ unsigned char first_fld_rcvd;
+ struct res_resinfo *transaction_info;
+ struct res_resinfo *hdr_info;
+#ifdef HAS_HEVC
+ struct res_resinfo *pvdec_info;
+ unsigned int temporal_out_addr;
+#endif
+ struct vdecdd_ddpict_buf *recon_pict;
+ struct vdecdd_ddpict_buf *alt_pict;
+ struct res_resinfo *batch_msginfo;
+ struct vidio_ddbufinfo *intra_bufinfo;
+ struct vidio_ddbufinfo *auxline_bufinfo;
+ struct vidio_ddbufinfo *vlc_tables_bufinfo;
+ struct vidio_ddbufinfo *vlc_idx_tables_bufinfo;
+ struct vidio_ddbufinfo *start_code_bufinfo;
+ struct dec_fwmsg *first_fld_fwmsg;
+ struct dec_fwmsg *second_fld_fwmsg;
+ struct bspp_pict_hdr_info *pict_hdr_info;
+ struct dec_pictdec_res *cur_pict_dec_res;
+ struct dec_pictdec_res *prev_pict_dec_res;
+ struct dec_pictref_res *pict_ref_res;
+ struct lst_t dec_pict_seg_list;
+ struct lst_t fragment_list;
+ unsigned char eop_found;
+ unsigned int operating_op;
+ unsigned short genc_id;
+ struct vdecdd_ddbuf_mapinfo **genc_bufs;
+ struct vdecdd_ddbuf_mapinfo *genc_fragment_buf;
+ unsigned int ctrl_alloc_bytes;
+ unsigned int ctrl_alloc_offset;
+ enum dec_pict_states state;
+ struct vidio_ddbufinfo *str_pvdec_fw_ctxbuf;
+};
+
+/*
+ *
+ * This structure defines the decode picture reference.
+ * @brief Decoder Picture Reference
+ */
+struct dec_str_unit {
+ void **link; /* to be part of single linked list */
+ struct dec_decpict *dec_pict;
+ struct vdecdd_str_unit *str_unit;
+};
+
+/*
+ * This structure defines the decoded picture.
+ * @brief Decoded Picture
+ */
+struct dec_decoded_pict {
+ struct dq_linkage_t link; /* to be part of double linked list */
+ unsigned int transaction_id;
+ unsigned char processed;
+ unsigned char process_failed;
+ unsigned char force_display;
+ unsigned char displayed;
+ unsigned char merged;
+ unsigned int disp_idx;
+ unsigned int rel_idx;
+ struct vdecdd_picture *pict;
+ struct dec_fwmsg *first_fld_fwmsg;
+ struct dec_fwmsg *second_fld_fwmsg;
+ struct dec_pictref_res *pict_ref_res;
+};
+
+struct dec_pict_fragment {
+ void **link; /* to be part of single linked list */
+ /* Control allocation size in bytes */
+ unsigned int ctrl_alloc_bytes;
+ /* Control allocation offset in bytes */
+ unsigned int ctrl_alloc_offset;
+};
+
+/*
+ * This structure contains the pointer to the picture segment.
+ * All the segments could be added to the list in struct dec_decpict,
+ * but because list items cannot belong to more than one list this wrapper
+ * is used which is added in the list sDecPictSegList inside struct dec_decpict
+ * @brief Decoder Picture Segment
+ */
+struct dec_decpict_seg {
+ void **link; /* to be part of single linked list */
+ struct bspp_bitstr_seg *bstr_seg;
+ unsigned char internal_seg;
+};
+
+struct decoder_regsoffsets {
+ unsigned int vdmc_cmd_offset;
+ unsigned int vec_offset;
+ unsigned int entropy_offset;
+ unsigned int vec_be_regs_offset;
+ unsigned int vdec_be_codec_regs_offset;
+};
+
+int decoder_initialise(void *init_usr_data, unsigned int internal_heap_id,
+ struct vdecdd_dd_devconfig *dd_devcfg, unsigned int *num_pipes,
+ void **dec_ctx);
+
+int decoder_deinitialise(void *dec_ctx);
+
+int decoder_supported_features(void *dec_ctx, struct vdec_features *features);
+
+int decoder_stream_destroy(void *dec_str_ctx, unsigned char abort);
+
+int decoder_stream_create(void *dec_ctx, struct vdec_str_configdata str_cfg,
+ unsigned int kmstr_id, void **mmu_str_handle,
+ void *vxd_dec_ctx, void *str_usr_int_data,
+ void **dec_str_ctx, void *decoder_cb, void *query_cb);
+
+int decoder_stream_prepare_ctx(void *dec_str_ctx, unsigned char flush_dpb);
+
+int decoder_stream_process_unit(void *dec_str_ctx,
+ struct vdecdd_str_unit *str_unit);
+
+int decoder_get_load(void *dec_str_ctx, unsigned int *avail_slots);
+
+int
+decoder_check_support(void *dec_ctx,
+ const struct vdec_str_configdata *str_cfg,
+ const struct vdec_str_opconfig *op_cfg,
+ const struct vdecdd_ddpict_buf *disp_pictbuf,
+ const struct vdec_pict_rendinfo *req_pict_rendinfo,
+ const struct vdec_comsequ_hdrinfo *comseq_hdrinfo,
+ const struct bspp_pict_hdr_info *pict_hdrinfo,
+ const struct vdec_comsequ_hdrinfo *prev_comseq_hdrinfo,
+ const struct bspp_pict_hdr_info *prev_pict_hdrinfo,
+ unsigned char non_cfg_req, struct vdec_unsupp_flags *unsupported,
+ unsigned int *features);
+
+unsigned char decoder_is_stream_idle(void *dec_str_ctx);
+
+int decoder_stream_flush(void *dec_str_ctx, unsigned char discard_refs);
+
+int decoder_stream_release_buffers(void *dec_str_ctx);
+
+int decoder_stream_get_status(void *dec_str_ctx,
+ struct vdecdd_decstr_status *dec_str_st);
+
+int decoder_service_firmware_response(void *dec_str_ctx_arg, unsigned int *msg,
+ unsigned int msg_size, unsigned int msg_flags);
+
+#endif
--
2.17.1

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